CVE-2025-8848 — HTML Injection in Accept-Language Header in danny-avila/librechat
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 A…
Published: 2025-10-22 · CVSS: 4.8 · CVSS 3.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7