Wikimedia Foundation Mediawiki - CheckUser extension

• CVE-2025-53479 Medium 5.4 CheckUser: Reflected Cross-Site Scripting (XSS) in Special:CheckUser via unsanitized internationalized message 0.2%
• CVE-2025-53480 Medium 5.4 CheckUser: Reflected Cross-Site Scripting (XSS) in Special:Investigate (Account information tab) via unsanitized i18n messages 0.2%
• CVE-2025-53478 Medium 5.4 CheckUser: Reflected Cross-Site Scripting (XSS) in Special:Investigate via unsanitized i18n messages 0.2%