fkie_cve-2025-26210
Vulnerability from fkie_nvd
Published
2025-09-03 14:15
Modified
2025-09-26 13:58
Severity ?
Summary
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.
References
| ▼ | URL | Tags | |
|---|---|---|---|
| cve@mitre.org | https://deepseek.com | Permissions Required | |
| cve@mitre.org | https://hackmd.io/@MrqrFIlhQFi7vUwkqbrXDw/deepseek | Exploit, Third Party Advisory | |
| cve@mitre.org | https://youtu.be/IgQwy52FVT4 | Exploit |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| deepseek | deepseek-r1 | 1.0 | |
| deepseek | deepseek-v2 | - | |
| deepseek | deepseek-v3 | 1.0 |
{
"configurations": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:deepseek:deepseek-r1:1.0:*:*:*:*:*:*:*",
"matchCriteriaId": "65A5D72C-C327-4A9E-AA69-A9B18AED07E6",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:deepseek:deepseek-v2:-:*:*:*:*:*:*:*",
"matchCriteriaId": "CCAE8C5A-E47F-4053-B8BE-B2849A5B187D",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:deepseek:deepseek-v3:1.0:*:*:*:*:*:*:*",
"matchCriteriaId": "7E915B8C-D3B1-4300-BF8A-2FED196BC8EF",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"cveTags": [
{
"sourceIdentifier": "cve@mitre.org",
"tags": [
"disputed"
]
}
],
"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."
}
],
"id": "CVE-2025-26210",
"lastModified": "2025-09-26T13:58:31.357",
"metrics": {
"cvssMetricV31": [
{
"cvssData": {
"attackComplexity": "LOW",
"attackVector": "NETWORK",
"availabilityImpact": "HIGH",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
"version": "3.1"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9,
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
},
"published": "2025-09-03T14:15:44.430",
"references": [
{
"source": "cve@mitre.org",
"tags": [
"Permissions Required"
],
"url": "https://deepseek.com"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "https://hackmd.io/@MrqrFIlhQFi7vUwkqbrXDw/deepseek"
},
{
"source": "cve@mitre.org",
"tags": [
"Exploit"
],
"url": "https://youtu.be/IgQwy52FVT4"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Analyzed",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-79"
}
],
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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