CVE-2026-58034 | Wikimedia CheckUser up to 1.45.x blockConnectedTempAccountsField cross site scripting

A vulnerability was found in Wikimedia CheckUser up to 1.45.x and classified as problematic. This vulnerability affects unknown code of the file /components/blockConnectedTempAccountsField. Such manipulation leads to cross site scripting.

This vulnerability is traded as CVE-2026-58034. The attack may be launched remotely. There is no exploit available.

It is suggested to upgrade the affected component.VulDB Recent EntriesRead More