CVE-2025-9866

{"id": "CVE-2025-9866", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.8}]}, "published": "2025-09-03T17:15:34.987", "references": [{"url": "https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop.html", "tags": ["Release Notes"], "source": "chrome-cve-admin@google.com"}, {"url": "https://issues.chromium.org/issues/379337758", "tags": ["Issue Tracking", "Permissions Required"], "source": "chrome-cve-admin@google.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-693"}]}], "descriptions": [{"lang": "en", "value": "Inappropriate implementation in Extensions in Google Chrome prior to 140.0.7339.80 allowed a remote attacker to bypass content security policy via a crafted HTML page. (Chromium security severity: Medium)"}], "lastModified": "2025-09-04T16:12:56.293", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "614C3A2A-11F8-45CE-BEF0-9033AD4AE057", "versionEndExcluding": "140.0.7339.80"}], "operator": "OR"}]}], "sourceIdentifier": "chrome-cve-admin@google.com"}