Security Advisory

CVE-2025-8848

5.4
MEDIUM

Vulnerability Description

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 tag of the response. This can lead to potential security risks such as cross-site scripting (XSS) attacks.
Published Date October 22, 2025
Official Source NIST NVD Advisory