Description
The CleanChanges extension for MediaWiki before 1.19.9, 1.20.x before 1.20.8, and 1.21.x before 1.21.3, when "Group changes by page in recent changes and watchlist" is enabled, allows remote attackers to obtain sensitive information (revision-deleted IPs) via the Recent Changes page.
Remediation
References
Related Vulnerabilities
Moodle Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2012-6105)
PHP Cryptographic Issues Vulnerability (CVE-2011-3189)
MySQL CVE-2015-4826 Vulnerability (CVE-2015-4826)
Oracle Application Server Permissions, Privileges, and Access Controls Vulnerability (CVE-2001-1371)