Description
An issue was discovered in the CheckUser extension for MediaWiki through 1.39.x. Various components of this extension can expose information on the performer of edits and logged actions. This information should not allow public viewing: it is supposed to be viewable only by users with checkuser access.
Remediation
References
Related Vulnerabilities
WordPress Plugin Injectbody Spam Injection (All)
Joomla Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2022-27912)
WordPress Plugin BP Code Snippets Cross-Site Scripting (2.0)
WordPress Plugin Tera Charts Cross-Site Scripting (1.0)
WordPress Plugin Widgets for SiteOrigin Security Bypass (1.4.2)