CVE-2026-96873mediumCWE-79

CVE-2026-96873: medium-severity vulnerability in The Wikimedia Foundation Mediawiki…

Reflected XSS in CirrusSearch debug explain output

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33Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 5.5epss 0.3%
from disclosure to weapon5 days
Published on NVDSep 24
1st PoC+5d
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Mediawiki - CirrusSearch extension allows Reflected XSS. This issue affects Mediawiki - CirrusSearch extension through 1.46.0.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P
Affected products
The Wikimedia Foundation · Mediawiki - CirrusSearch Extension
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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