high8.8
CVE-2025-26210
DeepSeek R1 through V3.1 allows XSS, as demonstrated by JavaScript execution in the context of the run-html-chat.deepseeksvc.com domain.
Impact
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
| Vendor | Product | Affected versions |
|---|---|---|
| Deepseek | Deepseek-R1 | Version 1.0 |
| Deepseek | Deepseek-V2 | All versions |
| Deepseek | Deepseek-V3 | Version 1.0 |