CVE-2025-26210
HIGH
MEDIUM
Priority: 0.05
BB Relevance:
68/100
Published: 2025-09-03
Modified: 2026-11-07
First seen: 2026-11-07
Status: active
Attack Surface
Network
Low Complexity
No Auth
Conf. Impact
Integ. Impact
CVSS Vector Breakdown
AV:
Network
AC:
Low
PR:
None
UI:
Required
S:
Unchanged
C:
High
I:
High
A:
High
Description
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.
Weakness Classification (1)
Affected Software (3)
| Vendor | Product | Version |
|---|---|---|
| deepseek | deepseek-r1 | 1.0 |
| deepseek | deepseek-v2 | - |
| deepseek | deepseek-v3 | 1.0 |
References & Advisories (3)
Permissions Required
Exploit
Third Party Advisory
Exploit