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Short Description is a MediaWiki extension that provides local short description support. In version 4.0.0, short descriptions are not properly sanitized before being inserted as HTML using mw.util.addSubtitle, allowing any user to insert arbitrary HTML into the DOM by editing a page. This issue has been patched in version 4.0.1.
Reserved 2025-06-27 | Published 2025-07-03 | Updated 2025-07-03 | Assigner GitHub_MCWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
github.com/...iption/security/advisories/GHSA-p85q-mww9-gwqf
github.com/...ommit/bc4fdbaeb1dff127fb6d08c0d385b64aa128c8f8
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