CVE-2025-6590 in MediaWiki

Résumé

par MITRE • 03/02/2026

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/htmlform/fields/HTMLUserTextField.Php.

This issue affects MediaWiki: from * through 1.39.12, 1.42.76 1.43.1, 1.44.0.

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• Responsable: Wikimedia-foundation
• Réserver: 25/06/2025
• Divulgation: 03/02/2026
• Modérer: accepté
• Entrée: VDB-343815
• CPE: prêt
• CWE: CWE-200 (confirmé)
• CVSS: 3.1 (VulDB)
• EPSS: 0.00325
• KEV: non
• Activités: très faible
• Secteur: Agriculture, Hostingprovider, ...

Sources

• MITRE: https://www.cve.org/CVERecord?id=CVE-2025-6590
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-6590
• CVE Details: https://www.cvedetails.com/cve/CVE-2025-6590/