D
eepChat is a smart assistant uses artificial intelligence. In 0.5.0 and earlier, there is a Stored Cross-Site Scripting (XSS) vulnerability in the Mermaid diagram renderer allows an attacker to execute arbitrary JavaScript within the application context. By leveraging the exposed Electron IPC bridge, this XSS can be escalated to Remote Code Execution (RCE) by registering and starting a malicious MCP (Model Context Protocol) server.
References
| Link | Resource |
|---|---|
| https://github.com/ThinkInAIXYZ/deepchat/commit/371ca7b42e3685aee6e3f0c61e85277ed1ff4db7 | Patch |
| https://github.com/ThinkInAIXYZ/deepchat/security/advisories/GHSA-v8v5-c872-mf8r | Exploit Vendor Advisory |
Configurations
History
05 Dec 2025, 15:37
| Type | Values Removed | Values Added |
|---|---|---|
| First Time |
Thinkinai
Thinkinai deepchat |
|
| CWE | CWE-79 | |
| References | () https://github.com/ThinkInAIXYZ/deepchat/commit/371ca7b42e3685aee6e3f0c61e85277ed1ff4db7 - Patch | |
| References | () https://github.com/ThinkInAIXYZ/deepchat/security/advisories/GHSA-v8v5-c872-mf8r - Exploit, Vendor Advisory | |
| CPE | cpe:2.3:a:thinkinai:deepchat:*:*:*:*:*:*:*:* |
03 Dec 2025, 19:15
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2025-12-03 19:15
Updated : 2025-12-05 15:37
NVD link : CVE-2025-66222
Mitre link : CVE-2025-66222
CVE.ORG link : CVE-2025-66222
JSON object : View