CVE-2025-53514

{"id": "CVE-2025-53514", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "responsibledisclosure@mattermost.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.9, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 2.2}]}, "published": "2025-08-11T19:15:29.473", "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-754"}]}], "descriptions": [{"lang": "en", "value": "Mattermost Confluence Plugin version <1.5.0 fails to handle unexpected request body which allows attackers to crash the plugin via constant hit to server webhook endpoint with an invalid request body."}, {"lang": "es", "value": "La versi\u00f3n &lt;1.5.0 del complemento Mattermost Confluence no puede manejar un cuerpo de solicitud inesperado, lo que permite a los atacantes bloquear el complemento mediante un acceso constante al endpoint del webhook del servidor con un cuerpo de solicitud no v\u00e1lido."}], "lastModified": "2025-09-25T18:55:36.553", "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"}