Launchpad.net

CVE 2014-9475

Cross-site scripting (XSS) vulnerability in thumb.php in MediaWiki before 1.19.23, 1.2x before 1.22.15, 1.23.x before 1.23.8, and 1.24.x before 1.24.1 allows remote authenticated users to inject arbitrary web script or HTML via a wikitext message.

See the CVE page on Mitre.org for more details.