CVE-2025-8848
HTML Injection in Accept-Language Header in danny-avila/librechat
- State
- Published
- Severity
- 4.8 Medium
- Published
- Oct 22, 2025
- Updated
- Oct 30, 2025
- Reserved
- Aug 10, 2025
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.0 | 4.8 Medium | CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N | @huntr_ai |
Weaknesses
- CWE-94 Improper Control of Generation of Code
Affected Products
| Product | Versions |
|---|---|
danny-avila/librechatdanny-avila |
|
References
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