The installation of Geeklog 1.3 creates an extra group_assignments record which is not properly deleted, which causes the first newly created user to be added to the GroupAdmin and UserAdmin groups, which could provide that user with administrative privileges that were not intended.

Geeklog 1.3 allows remote attackers to hijack user accounts, including the administrator account, by modifying the UID of a user's permanent cookie to the target account.

Cross-site scripting vulnerabilities in GeekLog 1.3.5 and earlier allow remote attackers to execute arbitrary script via (1) the url variable in the Link field of a calendar event, (2) the topic parameter in index.php, or (3) the title parameter in comment.php.

SQL injection vulnerability in comment.php for GeekLog 1.3.5 and earlier allows remote attackers to obtain sensitive user information via the pid parameter.

CRLF injection vulnerability in the "User Profile: Send Email" feature in Geeklog 1.35 and 1.3.5sr1 allows remote attackers to obtain e-mail addresses by injecting a CRLF into the Subject field and adding a BCC mail header.

Multiple cross-site scripting (XSS) vulnerabilities in Geeklog 1.3.7 allow remote attackers to inject arbitrary web script or HTML via the (1) cid parameter to comment.php, (2) uid parameter to profiles.php, (3) uid to users.php, and (4) homepage field.

SQL injection vulnerability in Geeklog before 1.3.11 allows remote attackers to execute arbitrary SQL commands via user comments for an article.

search.php in Geeklog 1.4.x before 1.4.0rc1, and 1.3.x before 1.3.11sr3, allows remote attackers to obtain sensitive information via invalid (1) datestart and (2) dateend parameters, which leaks the web server path in an error message.

Geeklog before 1.3.11sr3 allows remote attackers to bypass intended access restrictions and comment on an arbitrary story or topic by guessing the story ID.

Multiple SQL injection vulnerabilities in Geeklog 1.4.0 before 1.4.0sr1 and 1.3.11 before 1.3.11sr4 allow remote attackers to inject arbitrary SQL commands via the (1) userid variable to users.php or (2) sessid variable to lib-sessions.php.

Multiple unspecified vulnerabilities in lib-common.php in Geeklog 1.4.0 before 1.4.0sr1 and 1.3.11 before 1.3.11sr4 allow remote attackers to include arbitrary local files and execute arbitrary code via (1) absolute paths in unspecified parameters and (2) the language cookie, as demonstrated for code execution using error.log.

Unspecified vulnerability in the session handling for Geeklog 1.4.x before 1.4.0sr2, 1.3.11 before 1.3.11sr5, 1.3.9 before 1.3.9sr5, and possibly earlier versions allows attackers to gain privileges as arbitrary users via unknown vectors.

Geeklog 1.4.0sr2 and earlier allows remote attackers to obtain the full installation path via a direct request and possibly invalid arguments to (1) layout/professional/functions.php or (2) getimage.php.

Cross-site scripting (XSS) vulnerability in getimage.php in Geeklog 1.4.0sr2 and earlier allows remote attackers to inject arbitrary HTML or web script via the image argument in a show action.

SQL injection vulnerability in admin/auth.inc.php in Geeklog 1.4.0sr2 and earlier allows remote attackers to execute arbitrary SQL commands and bypass authentication via the loginname parameter.

SQL injection vulnerability in Geeklog 1.4.0sr2 and earlier allows remote attackers to execute arbitrary SQL commands via unknown vectors related to story submission.

Unrestricted file upload vulnerability in connectors/php/connector.php in FCKeditor mcpuk file manager, as used in (1) Geeklog 1.4.0 through 1.4.0sr3, (2) toendaCMS 1.0.0 Shizouka Stable and earlier, (3) WeBid 0.5.4, and possibly other products, when installed on Apache with mod_mime, allows remote attackers to upload and execute arbitrary PHP code via a filename with a .php extension and a trailing extension that is allowed, such as .zip.

Cross-site scripting (XSS) vulnerability in Geeklog 1.4.0sr4 and earlier, and 1.3.11sr6 and earlier, allows remote attackers to inject arbitrary web script or HTML via unspecified vectors when validating comments in (1) lib-comment.php (1.4.0sr4) or (2) comment.php (0.3.11sr6).

SQL injection vulnerability in filemgmt/singlefile.php in Geeklog 1.3.8 allows remote attackers to execute arbitrary SQL commands via the lid parameter.

Multiple cross-site scripting (XSS) vulnerabilities in the story creation feature in Geeklog 1.8.0 allow remote attackers to inject arbitrary web script or HTML via the (1) code or (2) raw BBcode tags.

Cross-site scripting (XSS) vulnerability in calendar/index.php in the Calendar plugin in Geeklog before 1.8.2sr1 and 2.0.0 before 2.0.0rc2 allows remote attackers to inject arbitrary web script or HTML via the calendar_type parameter to submit.php.

Multiple cross-site scripting (XSS) vulnerabilities in Geeklog v2.2.2 allow attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Mail Settings[backend], Mail Settings[host], Mail Settings[port] and Mail Settings[auth] parameters of the /admin/configuration.php.

Multiple cross-site scripting (XSS) vulnerabilities in Geeklog v2.2.2 allow attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Rule and Route parameters of /admin/router.php.

Cross Site Scripting (XSS) vulnerability in Geeklog-Core geeklog v.2.2.2 allows a remote attacker to execute arbitrary code via a crafted payload to the grp_desc parameter of the admin/group.php component.

Cross Site Scripting (XSS) vulnerability in Geeklog-Core geeklog v.2.2.2 allows a remote attacker to execute arbitrary code via a crafted payload to the Service, and website URL to Ping parameters of the admin/trackback.php component.