CVE-2025-51864

MEDIUM

AIBOX LLM chat - Reflected Cross-Site Scripting

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2025-51864. PoCs published by Secsys-FDU.

AI-analyzed exploit summary This repository provides a detailed technical analysis of CVE-2025-51864, a reflected XSS vulnerability in AIBOX's chat component. It includes a bypass technique using LLM-generated payloads and explains the impact on session tokens.

Description

A reflected cross-site scripting (XSS) vulnerability exists in AIBOX LLM chat (chat.aibox365.cn) through 2025-05-27, allowing attackers to hijack accounts through stolen JWT tokens.

Exploits (1)

nomisec WRITEUP
by Secsys-FDU · poc
https://github.com/Secsys-FDU/CVE-2025-51864

This repository provides a detailed technical analysis of CVE-2025-51864, a reflected XSS vulnerability in AIBOX's chat component. It includes a bypass technique using LLM-generated payloads and explains the impact on session tokens.

Classification
Writeup 90%
Attack Type
Xss
Complexity
Moderate
Reliability
Reliable
Target: AIBOX (web application)
No auth needed
Prerequisites: Access to the AIBOX chat interface · Victim interaction (copy-paste malicious payload)
MITRE ATT&CK
devstral-2 · analyzed Feb 18, 2026 Full analysis →

References (1)

Core 1
Core References

Scores

CVSS v3 6.5
EPSS 0.0034
EPSS Percentile 25.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Published Jul 22, 2025
Tracked Since Feb 18, 2026