Medium severity6.1NVD Advisory· Published Oct 6, 2021· Updated Jun 17, 2026
CVE-2021-42043
CVE-2021-42043
Description
An issue was discovered in Special:MediaSearch in the MediaSearch extension in MediaWiki through 1.36.2. The suggestion text (a parameter to mediasearch-did-you-mean) was not being properly sanitized and allowed for the injection and execution of HTML and JavaScript via the intitle: search operator within the query.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
5- Range: <=1.36.2
- MediaWiki/MediaSearchdescription
Patches
Vulnerability mechanics
References
2- gerrit.wikimedia.org/r/q/If64eb5842237c92290d07ebc3fe14710d9de3fc2nvdPatchVendor Advisory
- phabricator.wikimedia.org/T291600nvdIssue TrackingPatchVendor Advisory
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