Unrated severityNVD Advisory· Published Oct 22, 2025· Updated Oct 30, 2025
HTML Injection in Accept-Language Header in danny-avila/librechat
CVE-2025-8848
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.
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Affected products
2- danny-avila/danny-avila/librechatv5Range: unspecified
Patches
Vulnerability mechanics
References
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