CVE-2026-22710

MEDIUM 5.4CVE-2026-22710 · Published 09/01/2026 · updated 17/06/2026

In short

CVE-2026-22710 is a MEDIUM (CVSS 5.4) vulnerability affecting wikibase (wikimedia).
Chance of exploitation in the next 30 days (EPSS): 0.19%, higher than 8.9% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
wikibase wikimedia	`= 1.39= 1.43= 1.44= 1.45`	No fix yet

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation Mediawiki - Wikibase Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - Wikibase Extension: 1.45, 1.44, 1.43, 1.39.

References

gerrit.wikimedia.org/r/q/I39d0074b2ad022b6efe6ab3dd8c8ec0f86c6c466 · Patch
phabricator.wikimedia.org/T409737 · Exploit

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