CVE-2022-39193

Name of the Vulnerable Software and Affected Versions MediaWiki CheckUser extension versions through 1.39.x

Description An issue in the CheckUser extension for MediaWiki exposes information on the performer of edits and logged actions, which should only be viewable by users with suppression or checkuser rights.

Recommendations For MediaWiki CheckUser extension versions through 1.39.x, restrict access to components that expose sensitive information to users with suppression or checkuser rights until a patch is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.