CVE-2025-26210

{"id": "CVE-2025-26210", "cveTags": [{"tags": ["disputed"], "sourceIdentifier": "cve@mitre.org"}], "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": "2025-09-03T14:15:44.430", "references": [{"url": "https://deepseek.com", "tags": ["Permissions Required"], "source": "cve@mitre.org"}, {"url": "https://hackmd.io/@MrqrFIlhQFi7vUwkqbrXDw/deepseek", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://youtu.be/IgQwy52FVT4", "tags": ["Exploit"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "DeepSeek R1 through V3.1 allows XSS, as demonstrated by JavaScript execution in the context of the run-html-chat.deepseeksvc.com domain. NOTE: some third parties have indicated that this is intended behavior."}], "lastModified": "2025-09-26T13:58:31.357", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:deepseek:deepseek-r1:1.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "65A5D72C-C327-4A9E-AA69-A9B18AED07E6"}, {"criteria": "cpe:2.3:a:deepseek:deepseek-v2:-:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "CCAE8C5A-E47F-4053-B8BE-B2849A5B187D"}, {"criteria": "cpe:2.3:a:deepseek:deepseek-v3:1.0:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "7E915B8C-D3B1-4300-BF8A-2FED196BC8EF"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}