CVEvulnerability

CVE-2025-8848

5.4 MEDIUM Published 2025-10-22 Modified 2026-10-08 Official page ↗
Status
Analyzed
Published
2025-10-22
Last modified
2026-10-08
Assigner
[email protected]
CVSS 3.1 ([email protected])
5.4 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CVSS 3.0 ([email protected])
4.8 MEDIUM — CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Weaknesses
CWE-79, CWE-94

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.

Affected configurations

• librechat librechat 0.7.9

Related

Weakness · CWE (2)

  • CWE-79 Improper Neutralization of Input During Web Page Generation weakness
  • CWE-94 Improper Control of Generation of Code weakness

References