Webmin before 0.5 does not restrict the number of invalid passwords that are entered for a valid username, which could allow remote attackers to gain privileges via brute force password cracking.

webmin 0.84 and earlier allows local users to overwrite and create arbitrary files via a symlink attack.

Webmin 0.84 and earlier does not properly clear the HTTP_AUTHORIZATION environment variable when the web server is restarted, which makes authentication information available to all CGI programs and allows local users to gain privileges.

Directory traversal vulnerability in edit_action.cgi of Webmin Directory 0.91 allows attackers to gain privileges via a '..' (dot dot) in the argument.

run.cgi in Webmin 0.80 and 0.88 creates temporary files with world-writable permissions, which allows local users to execute arbitrary commands.

Cross-site scripting vulnerability in the authentication page for (1) Webmin 0.96 and (2) Usermin 0.90 allows remote attackers to insert script into an error page and possibly steal cookies.

(1) Webmin 0.96 and (2) Usermin 0.90 with password timeouts enabled allow local and possibly remote attackers to bypass authentication and gain privileges via certain control characters in the authentication information, which can force Webmin or Usermin to accept arbitrary username/session ID combinations.

Webmin 0.92, when installed from an RPM, creates /var/webmin with insecure permissions (world readable), which could allow local users to read the root user's cookie-based authentication credentials and possibly hijack the root user's session using the credentials.

The web interface for Webmin 0.92 does not properly quote or filter script code in files that are displayed to the interface, which allows local users to execute script and possibly steal cookies by inserting the script into certain files or fields, such as a real user name entry in the passwd file.

Webmin 0.21 through 1.0 uses the same built-in SSL key for all installations, which allows remote attackers to eavesdrop or highjack the SSL session.

The Printer Administration module for Webmin 0.990 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in the printer name.

The RPC module in Webmin 0.21 through 0.99, when installed without root or admin privileges, allows remote attackers to read and write to arbitrary files and execute arbitrary commands via remote_foreign_require and remote_foreign_call requests.

miniserv.pl in (1) Webmin before 1.070 and (2) Usermin before 1.000 does not properly handle metacharacters such as line feeds and carriage returns (CRLF) in Base-64 encoded strings during Basic authentication, which allows remote attackers to spoof a session ID and gain root privileges.

The maketemp.pl script in Usermin 1.070 and 1.080 allows local users to overwrite arbitrary files at install time via a symlink attack on the /tmp/.usermin directory.

Unknown vulnerability in Webmin 1.140 allows remote attackers to bypass access control rules and gain read access to configuration information for a module.

The account lockout functionality in (1) Webmin 1.140 and (2) Usermin 1.070 does not parse certain character strings, which allows remote attackers to conduct a brute force attack to guess user IDs and passwords.

The web mail functionality in Usermin 1.x and Webmin 1.x allows remote attackers to execute arbitrary commands via shell metacharacters in an e-mail message.

Unknown vulnerability in (1) Webmin and (2) Usermin before 1.200 causes Webmin to change permissions and ownership of configuration files, with unknown impact.

miniserv.pl in Webmin before 1.230 and Usermin before 1.160, when "full PAM conversations" is enabled, allows remote attackers to bypass authentication by spoofing session IDs via certain metacharacters (line feed or carriage return).

Format string vulnerability in miniserv.pl Perl web server in Webmin before 1.250 and Usermin before 1.180, with syslog logging enabled, allows remote attackers to cause a denial of service (crash or memory consumption) and possibly execute arbitrary code via format string specifiers in the username parameter to the login form, which is ultimately used in a syslog call. NOTE: the code execution might be associated with an issue in Perl.

Directory traversal vulnerability in Webmin before 1.280, when run on Windows, allows remote attackers to read arbitrary files via \ (backslash) characters in the URL to certain directories under the web root, such as the image directory.

Webmin before 1.290 and Usermin before 1.220 calls the simplify_path function before decoding HTML, which allows remote attackers to read arbitrary files, as demonstrated using "..%01" sequences, which bypass the removal of "../" sequences before bytes such as "%01" are removed from the filename. NOTE: This is a different issue than CVE-2006-3274.

Cross-site scripting (XSS) vulnerability in Webmin 1.540 and earlier allows local users to inject arbitrary web script or HTML via a chfn command that changes the real (aka Full Name) field, related to useradmin/index.cgi and useradmin/user-lib.pl.

Cross-site scripting (XSS) vulnerability in view.cgi in Webmin before 1.680 allows remote attackers to inject arbitrary web script or HTML via the search parameter.

Usermin before 1.600 allows remote attackers to execute arbitrary operating-system commands via unspecified vectors related to a user action.

Cross-site scripting (XSS) vulnerability in Usermin before 1.600 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors. NOTE: this might overlap CVE-2014-3924.

Cross-site scripting (XSS) vulnerability in Webmin before 1.690 allows remote authenticated users to inject arbitrary web script or HTML via unspecified vectors. NOTE: this might overlap CVE-2014-3924.

Cross-site scripting (XSS) vulnerability in Webmin before 1.690, when referrer checking is disabled, allows remote attackers to inject arbitrary web script or HTML via unspecified vectors. NOTE: this might overlap CVE-2014-3924.

Multiple cross-site scripting (XSS) vulnerabilities in Webmin before 1.690 and Usermin before 1.600 allow remote attackers to inject arbitrary web script or HTML via vectors related to popup windows.

The Read Mail module in Webmin 1.720 allows local users to read arbitrary files via a symlink attack on an unspecified file.

Usermin 0.980 through 1.x before 1.660 allows uconfig_save.cgi sig_file_free remote code execution because it uses the two argument (not three argument) form of Perl open.

Multiple cross-site scripting (XSS) vulnerabilities in (1) filter/save_forward.cgi, (2) filter/save.cgi, (3) /man/search.cgi in Usermin before 1.690.

SSRF exists in Webmin 1.850 via the PATH_INFO to tunnel/link.cgi, as demonstrated by a GET request for tunnel/link.cgi/http://INTRANET-IP:8000.

CSRF exists in Webmin 1.850. By sending a GET request to at/create_job.cgi containing dir=/&cmd= in the URI, an attacker to execute arbitrary commands.

Webmin before 1.860 has XSS with resultant remote code execution. Under the 'Others/File Manager' menu, there is a 'Download from remote URL' option to download a file from a remote server. After setting up a malicious server, one can wait for a file download request and then send an XSS payload that will lead to Remote Code Execution, as demonstrated by an OS command in the value attribute of a name='cmd' input element.

custom/run.cgi in Webmin before 1.870 allows remote authenticated administrators to conduct XSS attacks via the description field in the custom command functionality.

Multiple cross-site scripting vulnerabilities in Webmin versions prior to 1.830 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Multiple Cross-site scripting (XSS) vulnerabilities in Webmin before 1.850 allow remote attackers to inject arbitrary web script or HTML via the sec parameter to view_man.cgi, the referers parameter to change_referers.cgi, or the name parameter to save_user.cgi. NOTE: these issues were not fixed in 1.840.

Webmin 1.890 has XSS via /config.cgi?webmin, the /shell/index.cgi history parameter, /shell/index.cgi?stripped=1, or the /webminlog/search.cgi uall or mall parameter.

An issue was discovered in Webmin 1.840 and 1.880 when the default Yes setting of "Can view any file as a log file" is enabled. As a result of weak default configuration settings, limited users have full access rights to the underlying Unix system files, allowing the user to read sensitive data from the local system (using Local File Include) such as the '/etc/shadow' file via a "GET /syslog/save_log.cgi?view=1&file=/etc/shadow" request.

In Webmin through 1.910, any user authorized to the "Package Updates" module can execute arbitrary commands with root privileges via the data parameter to update.cgi.

An issue was discovered in Webmin <=1.920. The parameter old in password_change.cgi contains a command injection vulnerability.

xmlrpc.cgi in Webmin through 1.930 allows authenticated XXE attacks. By default, only root, admin, and sysadm can access xmlrpc.cgi.

rpc.cgi in Webmin through 1.920 allows authenticated Remote Code Execution via a crafted object name because unserialise_variable makes an eval call. NOTE: the Webmin_Servers_Index documentation states "RPC can be used to run any command or modify any file on a server, which is why access to it must not be granted to un-trusted Webmin users."

Webmin 1.900 allows remote attackers to execute arbitrary code by leveraging the "Java file manager" and "Upload and Download" privileges to upload a crafted .cgi file via the /updown/upload.cgi URI.

XSS exists in Webmin 1.941 and earlier affecting the Save function of the Read User Email Module / mailboxes Endpoint when attempting to save HTML emails. This module parses any output without sanitizing SCRIPT elements, as opposed to the View function, which sanitizes the input correctly. A malicious user can send any JavaScript payload into the message body and execute it if the user decides to save that email.

Arbitrary command execution can occur in Webmin through 1.962. Any user authorized for the Package Updates module can execute arbitrary commands with root privileges via vectors involving %0A and %0C. NOTE: this issue exists because of an incomplete fix for CVE-2019-12840.

miniserv.pl in Webmin 1.962 on Windows mishandles special characters in query arguments to the CGI program.

An XSS Vulnerability exists in Webmin 1.941 and earlier affecting the Cluster Shell Commands Endpoint. A user may enter any XSS Payload into the Command field and execute it. Then, after revisiting the Cluster Shell Commands Menu, the XSS Payload will be rendered and executed.

An Improper Data Validation Vulnerability exists in Webmin 1.941 and earlier affecting the Command Shell Endpoint. A user may enter HTML code into the Command field and submit it. Then, after visiting the Action Logs Menu and displaying logs, the HTML code will be rendered (however, JavaScript is not executed). Changes are kept across users.

Webmin 1.973 is affected by Cross Site Request Forgery (CSRF) to achieve Remote Command Execution (RCE) through Webmin's running process feature.

Webmin 1.973 is affected by reflected Cross Site Scripting (XSS) to achieve Remote Command Execution through Webmin's running process feature.

Webmin 1.973 is affected by Cross Site Request Forgery (CSRF) to create a privileged user through Webmin's add users feature, and then get a reverse shell through Webmin's running process feature.

A cross-site request forgery (CSRF) vulnerability exists in Webmin 1.973 via the Scheduled Cron Jobs feature.

A Cross-Site Scripting (XSS) vulnerability exists in Webmin 1.973 via the Scheduled Cron Jobs feature.

A Cross-Site Scripting (XSS) vulnerability exists in Webmin 1.973 via the Upload and Download feature.

A Cross-site request forgery (CSRF) vulnerability exists in Webmin 1.973 via the Upload and Download feature.

A Cross-Site Scripting (XSS) vulnerability exists in Webmin 1.973 through the Add Users feature.

A Cross-Site Scripting (XSS) vulnerability exists in Webmin 1.973 through the File Manager feature.

A Cross-site request forgery (CSRF) vulnerability exists in Webmin 1.973 through the File Manager feature.

Improper Access Control to Remote Code Execution in GitHub repository webmin/webmin prior to 1.990.

Improper Authorization in GitHub repository webmin/webmin prior to 1.990.

Webmin through 1.991, when the Authentic theme is used, allows remote code execution when a user has been manually created (i.e., not created in Virtualmin or Cloudmin). This occurs because settings-editor_write.cgi does not properly restrict the file parameter.

Usermin through 1.850 allows a remote authenticated user to execute OS commands via command injection in a filename for the GPG module.

software/apt-lib.pl in Webmin before 1.997 lacks HTML escaping for a UI command.

The Read Mail module in Webmin 1.995 and Usermin through 1.850 allows XSS via a crafted HTML e-mail message.

A vulnerability, which was classified as problematic, was found in Webmin 2.001. Affected is an unknown function of the file xterm/index.cgi. The manipulation leads to basic cross site scripting. It is possible to launch the attack remotely. Upgrading to version 2.003 is able to address this issue. The patch is identified as d3d33af3c0c3fd3a889c84e287a038b7a457d811. It is recommended to upgrade the affected component. VDB-212862 is the identifier assigned to this vulnerability.

An issue was discovered in Webmin 2.021. One can exploit a stored Cross-Site Scripting (XSS) attack to achieve Remote Command Execution (RCE) through the Users and Group's real name parameter.

An issue was discovered in Webmin 2.021. A Stored Cross-Site Scripting (XSS) vulnerability was discovered in the Users and Groups functionality, allowing an attacker to store a malicious payload in the Group Name field when creating a new group.

An issue was discovered in Webmin 2.021. The download functionality allows an attacker to exploit a Cross-Site Scripting (XSS) vulnerability. By providing a crafted download path containing a malicious payload, an attacker can inject arbitrary code, which is then executed within the context of the victim's browser when the download link is accessed.

An issue was discovered in Webmin 2.021. A Cross-site Scripting (XSS) Bypass vulnerability was discovered in the file upload functionality. Normally, the application restricts the upload of certain file types such as .svg, .php, etc., and displays an error message if a prohibited file type is detected. However, by following certain steps, an attacker can bypass these restrictions and inject malicious code.

An issue was discovered in Webmin 2.021. A Stored Cross-Site Scripting (XSS) vulnerability was discovered in the Users and Groups functionality. The vulnerability occurs when an authenticated user adds a new user and inserts an XSS payload into the user's real name.

An issue was discovered in Webmin 2.021. A Cross-Site Scripting (XSS) vulnerability was discovered in the HTTP Tunnel functionality when handling third-party domain URLs. By providing a crafted URL from a third-party domain, an attacker can inject malicious code. leading to the execution of arbitrary JavaScript code within the context of the victim's browser.

An issue was discovered in Webmin 2.021. A Reflected Cross-Site Scripting (XSS) vulnerability was discovered in the package search functionality. The vulnerability allows an attacker to inject a malicious payload in the "Search for Package" field, which gets reflected back in the application's response, leading to the execution of arbitrary JavaScript code within the context of the victim's browser.

An issue was discovered in Webmin 2.021. A Stored Cross-Site Scripting (XSS) vulnerability was discovered in the configuration settings of the system logs functionality. The vulnerability allows an attacker to store an XSS payload in the configuration settings of specific log files. This results in the execution of that payload whenever the affected log files are accessed.

An issue was discovered in Webmin 2.021. A Stored Cross-Site Scripting (XSS) vulnerability was discovered in the System Logs Viewer functionality. The vulnerability allows an attacker to store a malicious payload in the configuration field, triggering the execution of the payload when saving the configuration or when accessing the System Logs Viewer page.

A stored cross-site scripting (XSS) vulnerability in Webmin v2.100 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the cloned module name parameter.

A reflected cross-site scripting (XSS) vulnerability in the File Manager function of Webmin v2.100 allows attackers to execute malicious scripts via injecting a crafted payload into the Find in Results file.

A reflected cross-site scripting (XSS) vulnerability in the File Manager function of Webmin v2.100 allows attackers to execute malicious scripts via injecting a crafted payload into the Replace in Results file.

An issue was discovered in Webmin 2.100. The File Manager functionality allows an attacker to exploit a Cross-Site Scripting (XSS) vulnerability. By providing a malicious payload, an attacker can inject arbitrary code, which is then executed within the context of the victim's browser when any file is searched/replaced.

A stored cross-site scripting (XSS) vulnerability in the Usermin Configuration function of Webmin v2.100 allows attackers to execute arbitrary web sripts or HTML via a crafted payload injected into the Custom field.

A Stored Cross-Site Scripting (XSS) vulnerability in the MIME type programs tab in Usermin 2.000 allows remote attackers to inject arbitrary web script or HTML via the handle program field while creating a new MIME type program.

A Stored Cross-Site Scripting (XSS) vulnerability in the SSH configuration tab in Usermin 2.001 allows remote attackers to inject arbitrary web script or HTML via options for the host value while editing the host options.

A Stored Cross-Site Scripting (XSS) vulnerability in the scheduled cron jobs tab in Usermin 2.000 allows remote attackers to inject arbitrary web script or HTML via the value field parameter while creating a new environment variable.

A Stored Cross-Site Scripting (XSS) vulnerability in the mail forwarding and replies tab in Webmin and Usermin 2.000 allows remote attackers to inject arbitrary web script or HTML via the forward to field while creating a mail forwarding rule.

A Stored Cross-Site Scripting (XSS) vulnerability in the filter and forward mail tab in Usermin 2.001 allows remote attackers to inject arbitrary web script or HTML via the save to new folder named field while creating a new filter.

Multiple stored cross-site scripting (XSS) vulnerabilities in Usermin 2.000 allow remote attackers to inject arbitrary web script or HTML via the folder name parameter while creating the folder to manage the folder tab, filter tab, and forward mail tab.

A Stored Cross-Site Scripting (XSS) vulnerability in the MIME type programs tab in Usermin 2.000 allows remote attackers to inject arbitrary web script or HTML via the description field while creating a new MIME type program.

A Stored Cross-Site Scripting (XSS) vulnerability while editing the autoreply file page in Usermin 2.000 allows remote attackers to inject arbitrary web script or HTML by editing the forward file manually.

A Stored Cross-Site Scripting (XSS) vulnerability in the SSH configuration tab in Usermin 2.001 allows remote attackers to inject arbitrary web script or HTML via the key name field while adding an authorized key.

Multiple stored cross-site scripting (XSS) vulnerabilities in Usermin 2.000 allow remote attackers to inject arbitrary web script or HTML via the key comment to different pages such as public key details, Export key, sign key, send to key server page, and fetch from key server page tab.

A Reflected Cross-site scripting (XSS) vulnerability in the file manager tab in Usermin 2.000 allows remote attackers to inject arbitrary web script or HTML via the file mask field while searching under the tools drop down.

A Reflected Cross-site scripting (XSS) vulnerability in the file manager tab in Usermin 2.000 allows remote attackers to inject arbitrary web script or HTML via the replace in results field while replacing the results under the tools drop down.

There is a stored cross-site scripting (XSS) vulnerability in Webmin 2.002 and below via the Cluster Cron Job tab Input field, which allows attackers to run malicious scripts by injecting a specially crafted payload.

Cross Site Scripting vulnerability (XSS) in webmin v.2.105 and earlier allows a remote attacker to execute arbitrary code via a crafted payload to the "Execute cron job as" tab Input field.

Webmin CGI Command Injection Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of Webmin. Authentication is required to exploit this vulnerability. The specific flaw exists within the handling of CGI requests. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-22346.

Cross-site scripting vulnerability exists in sysinfo.cgi of Webmin versions prior to 1.910. If this vulnerability is exploited, an arbitrary script may be executed on the web browser of the user who accessed the website using the product. As a result, a session ID may be obtained, a webpage may be altered, or a server may be halted.

Improper handling of insufficient permissions or privileges vulnerability exists in ajaxterm module of Webmin prior to 2.003. If this vulnerability is exploited, a console session may be hijacked by an unauthorized user. As a result, data within a system may be referred, a webpage may be altered, or a server may be permanently halted.

Cross-site request forgery vulnerability exists in ajaxterm module of Webmin versions prior to 2.003. If this vulnerability is exploited, unintended operations may be performed when a user views a malicious page while logged in. As a result, data within a system may be referred, a webpage may be altered, or a server may be permanently halted.

Cross-site scripting vulnerability exists in session_login.cgi of Webmin versions prior to 1.970 and Usermin versions prior to 1.820. If this vulnerability is exploited, an arbitrary script may be executed on the web browser of the user who accessed the website using the product. As a result, a webpage may be altered or sensitive information such as a credential may be disclosed.

A discrepancy in error messages for invalid login attempts in Webmin Usermin v2.100 allows attackers to enumerate valid user accounts.

Webmin 2.510 is vulnerable to a Host Header Injection in the password reset functionality (forgot_send.cgi). The reset link sent to users is constructed using the HTTP Host header via get_webmin_email_url(). An attacker can manipulate the Host header to inject a malicious domain into the reset email. If a victim follows the poisoned link, the attacker can intercept the reset token and gain full control of the target account.