Security Advisory

CVE-2025-8848

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-10-22 13:54:00

Last updated 2025-10-30 18:22:51

Assigner @huntr_ai

State PUBLISHED

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 <html lang=""> tag of the response. This can lead to potential security risks such as cross-site scripting (XSS) attacks.

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