CVE-2025-8848

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-8848
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.

5.4 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References
Link Resource
https://huntr.com/bounties/a05ebc1f-882a-4adc-b178-d3cefa4b730e Exploit Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:librechat:librechat:0.7.9:-:*:*:*:*:*:*
History

30 Oct 2025, 17:34

Type Values Removed Values Added
CVSS v2 : unknown
v3 : 4.8 		v2 : unknown
v3 : 5.4
References () https://huntr.com/bounties/a05ebc1f-882a-4adc-b178-d3cefa4b730e - () https://huntr.com/bounties/a05ebc1f-882a-4adc-b178-d3cefa4b730e - Exploit, Third Party Advisory
First Time Librechat librechat
Librechat
CWE CWE-79
CPE cpe:2.3:a:librechat:librechat:0.7.9:-:*:*:*:*:*:*

22 Oct 2025, 14:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-10-22 14:15

Updated : 2025-10-30 17:34

NVD link : CVE-2025-8848

Mitre link : CVE-2025-8848

CVE.ORG link : CVE-2025-8848

JSON object : View

Products Affected

librechat

  • librechat
CWE
CWE-94

Improper Control of Generation of Code ('Code Injection')

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')