CVE-2025-66580
Dive is an open-source MCP Host Desktop Application that enables integration with function-calling LLMs. A critical Stored Cross-Site Scripting (XSS) vulnerability exists in versions prior to 0.11.1 in the Mermaid diagram rendering component. The application allows the execution of arbitrary JavaScript via javascript:. An attacker can exploit this to inject a malicious Model Context Protocol (MCP) server configuration, leading to Remote Code Execution (RCE) on the victim's machine when the node is clicked. Version 0.11.1 fixes the issue.
Package Versions Affected
Automatically patch vulnerabilities without upgrading
CVSS Version



Related Resources
References
https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/66xxx/CVE-2025-66580.json, https://github.com/OpenAgentPlatform/Dive/security/advisories/GHSA-xv8m-365j-x6h2, https://nvd.nist.gov/vuln/detail/CVE-2025-66580
