CVE-2026-58035

MEDIUM 4.8CVE-2026-58035 · Published 01/07/2026 · updated 25/10/2026

In short

CVE-2026-58035 is a MEDIUM (CVSS 4.8) vulnerability affecting mediawiki (mediawiki).
Chance of exploitation in the next 30 days (EPSS): 0.29%, higher than 21.2% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
mediawiki mediawiki	`= 1.46.0`	No fix yet

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files resources/src/mediawiki.Special.Block/SpecialBlock.Vue.

References

phabricator.wikimedia.org/T428809 · Permissions Required

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Package

Affected versions

Patched versions

mediawiki

= 1.46.0

No fix yet

More vulnerabilities in mediawiki

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