CVE-2026-104461

YesWiki versions prior to 4.6.7 are vulnerable to a stored cross-site scripting (XSS) vulnerability in the Bazar FileField . The root cause is that the application validates only the file extension during upload and fails to call HtmlPurifierService::cleanFile, allowing SVG files to be stored ver...

EUVD-2026-91472

YesWiki before 4.6.7 contains a stored cross-site scripting vulnerability in the Bazar FileField, which validates only the upload's file extension and never calls HtmlPurifierService::cleanFile, so SVG files are stored verbatim and served inline as image/svg+xml. Authenticated users can submit...