CVE-2025-10531

{"id": "CVE-2025-10531", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.4, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.5, "exploitabilityScore": 2.8}]}, "published": "2025-09-16T13:15:46.617", "references": [{"url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1978453", "tags": ["Permissions Required"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-73/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}, {"url": "https://www.mozilla.org/security/advisories/mfsa2025-77/", "tags": ["Vendor Advisory"], "source": "security@mozilla.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-288"}]}], "descriptions": [{"lang": "en", "value": "Mitigation bypass in the Web Compatibility: Tooling component. This vulnerability affects Firefox < 143 and Thunderbird < 143."}], "lastModified": "2025-10-30T17:15:35.013", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7A8F1380-5E9C-49C4-A8CA-6C7F1C90C254", "versionEndExcluding": "143.0"}, {"criteria": "cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7B03DED4-F40B-4D9C-A29D-AD540CDF003D", "versionEndExcluding": "143.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@mozilla.org"}