CVE-2025-53910

{"id": "CVE-2025-53910", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "responsibledisclosure@mattermost.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 4.0, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 1.4, "exploitabilityScore": 2.2}]}, "published": "2025-08-11T19:15:29.747", "references": [{"url": "https://mattermost.com/security-updates", "tags": ["Vendor Advisory"], "source": "responsibledisclosure@mattermost.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "responsibledisclosure@mattermost.com", "description": [{"lang": "en", "value": "CWE-862"}]}], "descriptions": [{"lang": "en", "value": "Mattermost Confluence Plugin version <1.5.0 fails to check the access of the user to the channel which allows attackers to create a channel subscription without proper access to the channel via API call to the edit channel subscription endpoint."}, {"lang": "es", "value": "La versi\u00f3n &lt;1.5.0 del complemento Mattermost Confluence no puede verificar el acceso del usuario al canal, lo que permite a los atacantes crear una suscripci\u00f3n al canal sin el acceso adecuado al canal a trav\u00e9s de una llamada API al endpoint de edici\u00f3n de suscripci\u00f3n del canal."}], "lastModified": "2025-09-25T18:56:23.133", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mattermost:confluence:*:*:*:*:*:mattermost:*:*", "vulnerable": true, "matchCriteriaId": "FA975409-AB8C-4894-A040-D7681CE73598", "versionEndExcluding": "1.5.0"}], "operator": "OR"}]}], "sourceIdentifier": "responsibledisclosure@mattermost.com"}