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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.005 (38.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000
Affected products
- 5ire
- Nanbingxyz 5ire — versions <= 0.15.2
Weakness classification (CWE)
References
- github.com/nanbingxyz/5ire/security/advisories/GHSA-5hpf-p8fw-j349 (Exploit, Vendor Advisory)
- github.com/nanbingxyz/5ire/commit/1fbe40d0bfbfe215370d45b9af856c286d67d3f2
- github.com/nanbingxyz/5ire/blob/c40d05a2b546094789fc727daa5383bb15034442/src/ho… (Product)
- github.com/nanbingxyz/5ire/releases/tag/v0.15.2 (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.