CVE-2026-58031 | Wikimedia MediaWiki up to 1.45.x ApiSandboxLayout.Js cross site scripting

July 1, 2026 Yanac

A vulnerability classified as problematic was found in Wikimedia MediaWiki up to 1.45.x. Affected is an unknown function of the file resources/src/mediawiki.Special.Apisandbox/ApiSandboxLayout.Js. Executing a manipulation can lead to cross site scripting.

This vulnerability is registered as CVE-2026-58031. It is possible to launch the attack remotely. No exploit is available.

Upgrading the affected component is advised.VulDB Recent EntriesRead More