MediaWiki before 1.9.2 allows remote attackers to obtain sensitive information via a direct request to (1) Simple.deps.php, (2) MonoBook.deps.php, (3) MySkin.deps.php, or (4) Chick.deps.php in wiki/skins, which shows the installation path in the resulting error message.
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.
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."