CVE-2025-6427

{"id": "CVE-2025-6427", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.2, "exploitabilityScore": 3.9}]}, "published": "2025-06-24T13:15:23.650", "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1966927", "tags": ["Permissions Required"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-51/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-693"}]}], "descriptions": [{"lang": "en", "value": "An attacker was able to bypass the `connect-src` directive of a Content Security Policy by manipulating subdocuments. This would have also hidden the connections from the Network tab in Devtools. This vulnerability affects Firefox < 140."}, {"lang": "es", "value": "Un atacante logr\u00f3 eludir la directiva `connect-src` de una Pol\u00edtica de Seguridad de Contenido manipulando subdocumentos. Esto tambi\u00e9n habr\u00eda ocultado las conexiones de la pesta\u00f1a Red en DevTools. Esta vulnerabilidad afecta a Firefox anterior a la versi\u00f3n 140."}], "lastModified": "2025-07-03T16:37:00.490", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*", "vulnerable": true, "matchCriteriaId": "77D2BF2A-26A3-4664-93B5-B41BCF17AC9E", "versionEndExcluding": "140.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@mozilla.org"}