MediaWiki 1.3.8 and earlier, when used with Apache mod_mime, does not properly handle files with two file extensions, such as .php.rar, which allows remote attackers to upload and execute arbitrary code.

Cross-site scripting (XSS) vulnerability in 'raw' page output mode for MediaWiki 1.3.4 and earlier allows remote attackers to inject arbitrary web script or HTML.

Multiple cross-site scripting (XSS) vulnerabilities in MediaWiki 1.3.5 allow remote attackers to execute arbitrary scripts and/or SQL queries via (1) the UnicodeConverter extension, (2) raw page views, (3) SpecialIpblocklist, (4) SpecialEmailuser, (5) SpecialMaintenance, and (6) ImagePage.

SQL injection vulnerability in MediaWiki 1.3.5 allows remote attackers to execute arbitrary SQL commands via SpecialMaintenance.

Unknown vulnerability in ImagePage for MediaWiki 1.3.5, related to "filename validation," has unknown impact and attack vectors.

Multiple cross-site scripting (XSS) vulnerabilities in MediaWiki 1.3.x before 1.3.11 and 1.4 beta before 1.4 rc1 allow remote attackers to inject arbitrary web script.

Cross-site request forgery (CSRF) vulnerability in MediaWiki 1.3.x before 1.3.11 and 1.4 beta before 1.4 rc1 allows remote attackers to perform unauthorized actions as authenticated MediaWiki users.

Directory traversal vulnerability in MediaWiki 1.3.x before 1.3.11 and 1.4 beta before 1.4 rc1 allows remote attackers to delete arbitrary files or determine file existence via a parameter related to image deletion.

Cross-site scripting (XSS) vulnerability in MediaWiki before 1.4.2, when using HTML Tidy ($wgUseTidy), allows remote attackers to inject arbitrary web script or HTML via unknown vectors.

Cross-site scripting (XSS) vulnerability in MediaWiki before 1.4.5 allows remote attackers to inject arbitrary web script via HTML attributes in page templates.

Cross-site scripting (XSS) vulnerability in MediaWiki before 1.4.x before 1.4.6 and 1.5 before 1.5beta3 allows remote attackers to inject arbitrary web script or HTML via a parameter in the page move template, a different vulnerability than CVE-2005-1888.

Cross-site scripting (XSS) vulnerability in MediaWiki 1.4.6 and earlier allows remote attackers to inject arbitrary web script or HTML via a parameter to the page move template.

Multiple cross-site scripting (XSS) vulnerabilities in MediaWiki before 1.4.9 allow remote attackers to inject arbitrary web script or HTML via (1) <math> tags or (2) Extension or <nowiki> sections that "bypass HTML style attribute restrictions" that are intended to protect against XSS vulnerabilities in Internet Explorer clients.

Unspecified vulnerability in "edit submission handling" for MediaWiki 1.4.x before 1.4.10 and 1.3.x before 1.3.16 allows remote attackers to cause a denial of service (corruption of the previous submission) via a crafted URL.

Incomplete blacklist vulnerability in MediaWiki before 1.4.11 does not properly remove certain CSS inputs (HTML inline style attributes) that are processed as active content by Internet Explorer, which allows remote attackers to conduct cross-site scripting (XSS) attacks.

Eval injection vulnerability in MediaWiki 1.5.x before 1.5.3 allows remote attackers to execute arbitrary PHP code via the "user language option," which is used as part of a dynamic class name that is processed using the eval function.

MediaWiki before 1.5.4 uses a hard-coded "internal placeholder string", which allows remote attackers to bypass protection against cross-site scripting (XSS) attacks and execute Javascript using inline style attributes, which are processed by Internet Explorer.

Unspecified vulnerability the edit comment formatting functionality in MediaWiki 1.5.x before 1.5.6 and 1.4.x before 1.4.14 allows attackers to cause a denial of service (infinite loop) via "certain malformed links."

Cross-site scripting (XSS) vulnerability in MediaWiki before 1.5.8 and 1.4.15 allows remote attackers to inject arbitrary web script or HTML via crafted encoded links.

Cross-site scripting (XSS) vulnerability in includes/Sanitizer.php in the variable handler in MediaWiki 1.6.x before r14349 allows remote attackers to inject arbitrary Javascript via unspecified vectors, possibly involving the usage of the | (pipe) character.

Cross-site scripting (XSS) vulnerability in MediaWiki 1.6.0 up to versions before 1.6.7 allows remote attackers to inject arbitrary HTML and web script via the edit form.

MediaWiki 1.8.1, and other versions before 1.13.3, when the wgShowExceptionDetails variable is enabled, sometimes provides the full installation path in a debugging message, which might allow remote attackers to obtain sensitive information via unspecified requests that trigger an uncaught exception.

MediaWiki before 1.15.3, and 1.6.x before 1.16.0beta2, does not properly handle a correctly authenticated but unintended login attempt, which makes it easier for remote authenticated users to conduct phishing attacks by arranging for a victim to login to the attacker's account and then execute a crafted user script, related to a "login CSRF" issue.

MediaWiki before 1.15.2 does not prevent wiki editors from linking to images from other web sites in wiki pages, which allows editors to obtain IP addresses and other information of wiki users by adding a link to an image on an attacker-controlled web site, aka "CSS validation issue."

thumb.php in MediaWiki before 1.15.2, when used with access-restriction mechanisms such as img_auth.php, does not check user permissions before providing scaled images, which allows remote attackers to bypass intended access restrictions and read private images via unspecified manipulations.

Cross-site scripting (XSS) vulnerability in MediaWiki 1.15 before 1.15.4 and 1.16 before 1.16 beta 3 allows remote attackers to inject arbitrary web script or HTML via crafted Cascading Style Sheets (CSS) strings that are processed as script by Internet Explorer.

Cross-site request forgery (CSRF) vulnerability in the login interface in MediaWiki 1.15 before 1.15.4 and 1.16 before 1.16 beta 3 allows remote attackers to hijack the authentication of users for requests that (1) create accounts or (2) reset passwords, related to the Special:Userlogin form.

api.php in MediaWiki before 1.15.5 does not prevent use of public caching headers for private data, which allows remote attackers to bypass intended access restrictions and obtain sensitive information by retrieving documents from an HTTP proxy cache that has been used by a victim.

Cross-site scripting (XSS) vulnerability in profileinfo.php in MediaWiki before 1.15.5, when wgEnableProfileInfo is enabled, allows remote attackers to inject arbitrary web script or HTML via the filter parameter.

PHP remote file inclusion vulnerability in MediaWikiParserTest.php in MediaWiki 1.16 beta, when register_globals is enabled, allows remote attackers to execute arbitrary PHP code via unspecified vectors.

MediaWiki before 1.16.1, when user or site JavaScript or CSS is enabled, allows remote attackers to conduct clickjacking attacks via unspecified vectors.

Cross-site scripting (XSS) vulnerability in MediaWiki before 1.16.2 allows remote attackers to inject arbitrary web script or HTML via crafted Cascading Style Sheets (CSS) comments, aka "CSS injection vulnerability."

Multiple directory traversal vulnerabilities in (1) languages/Language.php and (2) includes/StubObject.php in MediaWiki 1.8.0 and other versions before 1.16.2, when running on Windows and possibly Novell Netware, allow remote attackers to include and execute arbitrary local PHP files via vectors related to a crafted language file and the Language::factory function.

Cross-site scripting (XSS) vulnerability in MediaWiki before 1.16.3, when Internet Explorer 6 or earlier is used, allows remote attackers to inject arbitrary web script or HTML via an uploaded file accessed with a dangerous extension such as .html at the end of the query string, in conjunction with a modified URI path that has a %2E sequence in place of the . (dot) character.

The checkCss function in includes/Sanitizer.php in the wikitext parser in MediaWiki before 1.16.3 does not properly validate Cascading Style Sheets (CSS) token sequences, which allows remote attackers to conduct cross-site scripting (XSS) attacks or obtain sensitive information by using the \2f\2a and \2a\2f hex strings to surround CSS comments.

The transwiki import functionality in MediaWiki before 1.16.3 does not properly check privileges, which allows remote authenticated users to perform imports from any wgImportSources wiki via a crafted POST request.

Cross-site scripting (XSS) vulnerability in MediaWiki before 1.16.4, when Internet Explorer 6 or earlier is used, allows remote attackers to inject arbitrary web script or HTML via an uploaded file accessed with a dangerous extension such as .html located before a ? (question mark) in a query string, in conjunction with a modified URI path that has a %2E sequence in place of the . (dot) character. NOTE: this vulnerability exists because of an incomplete fix for CVE-2011-1578.

Cross-site scripting (XSS) vulnerability in MediaWiki before 1.16.5, when Internet Explorer 6 or earlier is used, allows remote attackers to inject arbitrary web script or HTML via an uploaded file accessed with a dangerous extension such as .shtml at the end of the query string, in conjunction with a modified URI path that has a %2E sequence in place of the . (dot) character. NOTE: this vulnerability exists because of an incomplete fix for CVE-2011-1578 and CVE-2011-1587.

includes/User.php in MediaWiki before 1.16.5, when wgBlockDisablesLogin is enabled, does not clear certain cached data after verification of an auth token fails, which allows remote attackers to bypass authentication by creating crafted wikiUserID and wikiUserName cookies, or by leveraging an unattended workstation.

MediaWiki before 1.17.1 allows remote attackers to obtain the page titles of all restricted pages via a series of requests involving the (1) curid or (2) oldid parameter.

MediaWiki before 1.17.1 does not check for read permission before handling action=ajax requests, which allows remote attackers to obtain sensitive information by (1) leveraging the SpecialUpload::ajaxGetExistsWarning function, or by (2) leveraging an extension, as demonstrated by the CategoryTree, ExtTab, and InlineEditor extensions.

Cross-site scripting (XSS) vulnerability in the outputPage function in includes/SkinTemplate.php in MediaWiki before 1.17.5, 1.18.x before 1.18.4, and 1.19.x before 1.19.1 allows remote attackers to inject arbitrary web script or HTML via the uselang parameter to index.php/Main_page.