Bug 2532896 (CVE-2024-23176) - CVE-2024-23176 MassMessage: mediawiki: MediaWiki MassMessage: Cross-Site Scripting (XSS) via crafted URL allows arbitrary script execution.
Summary: CVE-2024-23176 MassMessage: mediawiki: MediaWiki MassMessage: Cross-Site Scri...
Keywords:
Status: NEW
Alias: CVE-2024-23176
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-14 07:02 UTC by OSIDB Bzimport
Modified: 2026-09-14 08:34 UTC (History)
0 users

Fixed In Version:
Clone Of:
Environment:
Last Closed:
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Description OSIDB Bzimport 2026-09-14 07:02:43 UTC 
An issue was discovered in the MassMessage extension in MediaWiki before 1.40.2. For a Special:MassMessage?uselang=x-xss URL, the i18n key massmessage-form-page-help allows XSS.
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