Cross-site request forgery (CSRF) vulnerability in phpMyFAQ before 2.8.6 allows remote attackers to hijack the authentication of arbitrary users for requests that modify settings.

Cross-site scripting (XSS) vulnerability in phpMyFAQ before 2.8.6 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.

Multiple cross-site scripting (XSS) vulnerabilities in index.php in phpMyFAQ before 2.5.5 allow remote attackers to inject arbitrary web script or HTML via (1) the lang parameter in a sitemap action, (2) the search parameter in a search action, (3) the taggingid parameter in a search action, (4) the highlight parameter in an artikel action, (5) the artlang parameter in an artikel action, (6) the letter parameter in a sitemap action, (7) the lang parameter in a show action, (8) the cat parameter in a show action, (9) the newslang parameter in a news action, (10) the artlang parameter in a send2friend action, (11) the cat parameter in a send2friend action, (12) the id parameter in a send2friend action, (13) the srclang parameter in a translate action, (14) the id parameter in a translate action, (15) the cat parameter in a translate action, (16) the cat parameter in an add action, or (17) the question parameter in an add action. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.

phpMyFAQ 1.4.0 allows remote attackers to access the Image Manager to upload or delete images without authorization via a direct request.

Unspecified vulnerability in phpMyFAQ 1.6.9 and earlier, when registerglobals is enabled, allows remote attackers to "gain the privilege for uploading files on the server."