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Mediawiki - CheckUser extension — Vulnerabilities & Security Advisories 3

All 3 CVE vulnerabilities found in Mediawiki - CheckUser extension, with AI-generated Chinese analysis, references, and POCs.

Vendor: Wikimedia Foundation

CVE IDTitleCVSSSeverityPublished
CVE-2025-53479 CheckUser: Reflected Cross-Site Scripting (XSS) in Special:CheckUser via unsanitized internationalized message CWE-79 6.1AIMediumAI2025-07-08
CVE-2025-53480 CheckUser: Reflected Cross-Site Scripting (XSS) in Special:Investigate (Account information tab) via unsanitized i18n messages CWE-79 6.1AIMediumAI2025-07-08
CVE-2025-53478 CheckUser: Reflected Cross-Site Scripting (XSS) in Special:Investigate via unsanitized i18n messages CWE-79 6.1AIMediumAI2025-07-07

All 3 known CVE vulnerabilities affecting Mediawiki - CheckUser extension with full Chinese analysis, references, and POCs where available.