What is CVE-2025-46655?

CVE-2025-46655 is a medium-severity vulnerability in Hackmd Codimd, classified under CWE-424. CVSS score: 4.9/10. Published 2025-04-26.

How severe is CVE-2025-46655?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Is CVE-2025-46655 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Hackmd Codimd

CVE-2025-46655

CodiMD 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 cases of different-origin file storage, such as AWS S3. NOTE: it can be considere…

EPSS: 0.000 (8.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Hackmd Codimd — versions 0

Weakness classification (CWE)

CWE-424

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-46655?: CVE-2025-46655 is a medium-severity vulnerability in Hackmd Codimd, classified under CWE-424. CVSS score: 4.9/10. Published 2025-04-26.
How severe is CVE-2025-46655?: Medium severity. CVSS v3 base score is 4.9 out of 10.
Is CVE-2025-46655 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.