CVE-2025-66580

Description

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.

CVSS v3.1 Score

9.6

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Weakness Type (CWE)

CWE-94 CWE-94

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
openagentplatform	dive	< 0.11.1

References

Advisories & Patches

https://github.com/OpenAgentPlatform/Dive/security/advisories/GHSA-xv8m-365j-x6h2 https://github.com/OpenAgentPlatform/Dive/security/advisories/GHSA-xv8m-365j-x6h2

Exploits

https://github.com/OpenAgentPlatform/Dive/security/advisories/GHSA-xv8m-365j-x6h2 https://github.com/OpenAgentPlatform/Dive/security/advisories/GHSA-xv8m-365j-x6h2

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 9.6 (CRITICAL).

How severe is CVE-2025-66580? +

CVE-2025-66580 has a CVSS v3.1 score of 9.6 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2025-66580? +

CVE-2025-66580 affects products from openagentplatform, specifically: dive. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-66580? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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