Description
The (1) Special:Preferences and (2) Special:UserLogin pages in MediaWiki before 1.19.20, 1.22.x before 1.22.12 and 1.23.x before 1.23.5 allows remote authenticated users to conduct cross-site scripting (XSS) attacks or have unspecified other impact via crafted CSS, as demonstrated by modifying MediaWiki:Common.css.
Remediation
References
Related Vulnerabilities
WordPress 5.4 Multiple Vulnerabilities (5.4)
WordPress Plugin WP Symposium Cross-Site Scripting (11.11.26)
Oracle Application Server Other Vulnerability (CVE-2002-0386)
WordPress Plugin Page and Post Clone Information Disclosure (1.1)
Piwigo Cross-Site Request Forgery (CSRF) Vulnerability (CVE-2014-4614)