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{"analysis": {"en": {"generated_at": "2026-04-07T23:43:23.870250+00:00", "value": {"mitigation_remediation": ["Update the Mediawiki Score Extension to the latest stable release or apply the official patch as soon as it becomes available.", "If an update is not feasible immediately, configure the extension or the surrounding Mediawiki installation to sanitize or escape all data attributes before rendering them to users.", "Regularly check Wikimedia security advisories and other vendor communications for additional updates or workarounds."], "summary": {"action": "Patch Now", "impact": "Stored Cross\u2011Site Scripting (XSS)"}, "threat_synthesis": {"affected_systems": "The vulnerability affects the Wikimedia Foundation Mediawiki Score Extension. No specific version range is listed, so administrators should review all deployed versions of this extension to determine whether they are affected.", "description_and_impact": "The Mediawiki Score extension stores data attributes supplied by users without proper escaping, enabling an attacker to embed malicious JavaScript that will run when other users view affected pages. This stored XSS can lead to session hijacking, theft of sensitive information, or page defacement.", "risk_and_exploitability": "The CVSS score of 6.9 indicates moderate severity, and the vulnerability is not included in the CISA KEV catalog. The attack vector likely involves submitting malicious data through the extension\u2019s interface; however, the description does not specify whether authentication is required. Consequently, risk remains moderate, and a determined attacker could exploit the XSS if the extension is reachable via the web."}}}}, "created": "2026-04-08T19:45:13.692268+00:00", "updated": "2026-04-08T19:45:13.692310+00:00", "vendors": []}