CVE-2025-66452: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in danny-avila LibreChat
LibreChat is a ChatGPT clone with additional features. In versions 0.8.0 and below, there is no handler for JSON parsing errors; SyntaxError from express.json() includes user input in the error message, which gets reflected in responses. User input (including HTML/JavaScript) can be exposed in error responses, creating an XSS risk if Content-Type isn't strictly enforced. This issue does not have a fix at the time of publication.
CVE-2025-66452: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in danny-avila LibreChat
Description
LibreChat is a ChatGPT clone with additional features. In versions 0.8.0 and below, there is no handler for JSON parsing errors; SyntaxError from express.json() includes user input in the error message, which gets reflected in responses. User input (including HTML/JavaScript) can be exposed in error responses, creating an XSS risk if Content-Type isn't strictly enforced. This issue does not have a fix at the time of publication.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitHub_M
- Date Reserved
- 2025-12-01T18:44:35.639Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 693b4f8722246175c6a88f9e
Added to database: 12/11/2025, 11:11:03 PM
Last updated: 12/11/2025, 11:11:18 PM
Views: 1
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Related Threats
CVE-2025-66451: CWE-20: Improper Input Validation in danny-avila LibreChat
MediumCVE-2025-66588: CWE-824 Access of Uninitialized Pointer in AzeoTech DAQFactory
HighCVE-2025-66587: CWE-122 Heap-based Buffer Overflow in AzeoTech DAQFactory
HighCVE-2025-66586: CWE-843 Access of Resource Using Incompatible Type ('Type Confusion') in AzeoTech DAQFactory
HighCVE-2025-13664: CWE-427 Uncontrolled Search Path Element in Altera Quartus Prime Standard
MediumActions
External Links
Need enhanced features?
Contact root@offseq.com for Pro access with improved analysis and higher rate limits.