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.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 08 Sep 2025 18:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}

cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Mon, 08 Sep 2025 18:00:00 +0000

Type Values Removed Values Added
First Time appeared Deepseek deepseek-r1
Deepseek deepseek-v2
Deepseek deepseek-v3
CPEs cpe:2.3:a:deepseek:deepseek-r1:1.0:*:*:*:*:*:*:*
cpe:2.3:a:deepseek:deepseek-v2:-:*:*:*:*:*:*:*
cpe:2.3:a:deepseek:deepseek-v3:1.0:*:*:*:*:*:*:*
Vendors & Products Deepseek deepseek-r1
Deepseek deepseek-v2
Deepseek deepseek-v3

Fri, 05 Sep 2025 20:30:00 +0000

Type Values Removed Values Added
References

Fri, 05 Sep 2025 20:15:00 +0000

Type Values Removed Values Added
Description An Cross-Site Scripting (XSS) vulnerability in DeepSeek R1 through V3.1 allows a remote attacker to execute arbitrary code via unspecified input fields. 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

Thu, 04 Sep 2025 13:15:00 +0000

Type Values Removed Values Added
First Time appeared Deepseek
Deepseek deepseek
Vendors & Products Deepseek
Deepseek deepseek

Wed, 03 Sep 2025 14:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-79
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 03 Sep 2025 13:45:00 +0000

Type Values Removed Values Added
Description An Cross-Site Scripting (XSS) vulnerability in DeepSeek R1 through V3.1 allows a remote attacker to execute arbitrary code via unspecified input fields.
References

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-09-08T17:39:51.749Z

Reserved: 2025-02-07T00:00:00.000Z

Link: CVE-2025-26210

cve-icon Vulnrichment

Updated: 2025-09-03T13:44:50.057Z

cve-icon NVD

Status : Analyzed

Published: 2025-09-03T14:15:44.430

Modified: 2025-09-26T13:58:31.357

Link: CVE-2025-26210

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-09-04T13:12:30Z