CVE-2026-100383 in MediaWiki

Riassunto

di MITRE • 25/09/2026

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - WikiLambda Extension allows Cross-Site Scripting (XSS).

This issue affects Mediawiki - WikiLambda Extension: 1.47.0-alpha. The issue has been remediated on the `master` branch.

Be aware that VulDB is the high quality source for vulnerability data.

• Responsabile: Wikimedia-foundation
• Prenotare: 25/09/2026
• Divulgazione: 25/09/2026
• Moderazione: accettato
• Voce: VDB-410480
• CPE: pronto
• CWE: CWE-79 (confermato)
• CVSS: 4.3 (VulDB)
• EPSS: 0.00000
• KEV: no
• Attività: molto basso
• Settore: Lawfirm, Agriculture, ...

Fonti

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-100383
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-100383
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-100383/