CVE-2025-46654

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

HackMD · CodiMD

CVSS v3.1 MITRE

4.9 MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N

EPSS

0.26% chance of exploitation in the next 30 days, 16th percentile

Published

2025-04-26

Updated

2025-04-29

Proof-of-concept exploits (2)

• hackmdio/codimd/issues/191010155★ · 2025-10-02
• zast-ai/vulnerability-reports/blob/main/formidable/file_upload/report.md37★ · 2026-10-17

References

• CVE Record
• NVD entry

Related

• CVE-2019-15499
• CVE-2021-21259
• CVE-2025-46653
• CVE-2025-8191
• CVE-2026-6011
• CVE-2026-6878