Hackmd

6 CVEs across 1 Hackmd products. Browse Hackmd vulnerabilities, severities, and proof-of-concept exploits.

Hackmd products with known CVEs

ProductCVEs
Codimd6
Hackmd CVEs — newest first
CVESeverityScorePublishedSummary
CVE-2025-46655Medium4.92025-04-26CodiMD through 2.5.4 has a CSP-based protection mechanism against XSS through uploaded SVG documents containing JavaScript, but it can be bypassed in certain c…
CVE-2025-46654Medium4.92025-04-26CodiMD 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 tha…
CVE-2024-38354High8.12024-07-10CodiMD allows realtime collaborative markdown notes on all platforms. The notebook feature of Hackmd.io permits the rendering of iframe `HTML` tags with an imp…
CVE-2024-38353Medium5.32024-07-10CodiMD allows realtime collaborative markdown notes on all platforms. CodiMD before 2.5.4 is missing authentication and access control vulnerability allowing a…
CVE-2024-22778High7.52024-02-21HackMD CodiMD <2.5.2 is vulnerable to Denial of Service.
CVE-2019-15499Medium6.12019-08-23CodiMD 1.3.1, when Safari is used, allows XSS via an IFRAME element with allow-top-navigation in the sandbox attribute, in conjunction with a data: URL.