medium5.4
CVE-2025-8848
A vulnerability in danny-avila/librechat version 0.7.9 allows for HTML injection via the Accept-Language header.
Impact
A vulnerability in danny-avila/librechat version 0.7.9 allows for HTML injection via the Accept-Language header. When a logged-in user sends an HTTP GET request with a crafted Accept-Language header, arbitrary HTML can be injected into the <html lang=""> tag of the response. This can lead to potential security risks such as cross-site scripting (XSS) attacks.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Librechat | Librechat | Version 0.7.9 |