HomeDefault status
unaffected
1.39.x (semver) before 1.39.13
affected
1.42.x (semver) before 1.42.7
affected
1.43.x (semver) before 1.43.2
affected
Description
The MsUpload extension for MediaWiki is vulnerable to stored XSS via the msu-continue system message, which is inserted into the DOM without proper sanitization. The vulnerability occurs in the file upload UI when the same filename is uploaded twice. This issue affects Mediawiki - MsUpload extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.
Problem types
CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Product status
1.39.x (semver) before 1.39.13
1.42.x (semver) before 1.42.7
1.43.x (semver) before 1.43.2
References
phabricator.wikimedia.org/T394864
phabricator.wikimedia.org/T394864
gerrit.wikimedia.org/...0a5a936926ea887ca2e48c3a7bd297201d9f