XSS in 5ire
CVE-2025-68669
5ire is a cross-platform desktop artificial intelligence assistant and model context protocol client. In versions 0.15.2 and prior, an RCE vulnerability exists in useMarkdown.ts, where the markdown-it-mermaid plugin is initialized with securityLevel: 'loose'. This configuration explicitly permits the rendering of HTML tags within Mermaid diagram nodes. This issue has not been patched at time of publication.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.004 (33.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.6 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.
Affected products
- 5ire
- Nanbingxyz 5ire — versions <= 0.15.2
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (x_refsource_MISC)
- security-advisories@github.com (Product, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2025-68669?
- CVE-2025-68669 is a critical-severity vulnerability in 5ire, classified under Cross-site Scripting. CVSS score: 9.6/10. Published 2025-12-23.
- How severe is CVE-2025-68669?
- Critical severity. CVSS v3 base score is 9.6 out of 10.