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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Wikimedia Foundation Mediawiki - MsUpload extension
Default version status: unaffected
1.39.x to < 1.39.13affected1.42.x to < 1.42.7affected1.43.x to < 1.43.2affected