What’s Vulnerable › Vulnerabilities
CVE-2025-26210
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2025-09-03 · updated 2026-06-17
- Weakness: CWE-79
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.
Affected products
- Deepseek-R1: 1.0
- Deepseek-V2: all versions
- Deepseek-V3: 1.0
References
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