CVE-2025-46654: Hackmd Codimd

Medium severity, CVSS 4.9. EPSS: 0.3% chance of exploitation in the next 30 days.

CodiMD through 2.2.0 has a CSP-based protection mechanism against XSS through uploaded JavaScript content, but it can be bypassed by uploading a .html file that references an uploaded .js file.

Affected products

• Hackmd Codimd: up to and including 2.2.0

Published 2025-04-26. Last modified 2026-06-17.