Description
An issue was discovered in MediaWiki before 1.35.8, 1.36.x and 1.37.x before 1.37.5, and 1.38.x before 1.38.3. Upon an action=rollback operation, the alreadyrolled message can leak a user name (when the user has been revision deleted/suppressed).
Remediation
References
Related Vulnerabilities
WordPress Plugin Loginizer Cross-Site Scripting (1.3.9)
WordPress Plugin BezahlCode-Generator 'gen_name' Parameter Cross-Site Scripting (1.0)
Internet Information Services Other Vulnerability (CVE-2000-0246)
WordPress Plugin BP Portfolio Cross-Site Scripting (1.0.2)
WordPress Plugin WP HTML Sitemap Cross-Site Request Forgery (1.2)