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Vendors / The Wikimedia Foundation / Mediawiki - CampaignEvents Extension

The Wikimedia Foundation Mediawiki - CampaignEvents Extension

CVE-2026-39935 Medium 6.9 XSS-via-i18n in localised wiki names 0.3%

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Contains data from the CISA Known Exploited Vulnerabilities Catalog. Use does not imply endorsement by CISA or DHS.

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Vulnerability data from OSV.dev and its upstream databases, under their respective licenses.

EPSS scores by FIRST.org and Empirical Security (https://www.first.org/epss). This product uses EPSS scores but is not endorsed or certified by the EPSS SIG.

Exploit-availability signals from CVSS-BT by Stephen Shaffer (MIT license), which aggregates Metasploit (BSD), Nuclei templates (MIT), PoC-in-GitHub (CC0) and NVD (public domain).

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