CVE-2026-58518 Cross-site request forgery in Mediawiki - RedirectManager Extension

Medium 6.9 Published Updated

Attackers can perform unauthorized actions on behalf of authenticated users via CSRF in the MediaWiki RedirectManager Extension.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-58518?

CVE-2026-58518 is a medium-severity vulnerability in Mediawiki Mediawiki, published on 1 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Cross-Site request forgery (CSRF) vulnerability in The Wikimedia Foundation Mediawiki - RedirectManager Extension allows Cross Site Request Forgery.

This issue affects Mediawiki - RedirectManager Extension: from * before 1.3.3.

Weakness: CWE-352

Which versions are affected by CVE-2026-58518?

It affects 1 product.

Products include Mediawiki Mediawiki.

How do I fix CVE-2026-58518?

No fix has been published for CVE-2026-58518 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-58518 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-58518 exists.

All Mediawiki Mediawiki vulnerabilities

Sources

Also known as GHSA-vjf9-r75w-m9fv.

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