CVE-2025-46654

4.9 mediumEPSS 0.3%

Medium (4.9) in hackmd codimd. 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.

Severity

CVSS 3.1

4.9 medium

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

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 18% of CVEs (scores of 2026-10-31)
CWE: CWE-424
Published: 2025-04-26
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

hackmd:codimd

References

https://github.com/hackmdio/codimd/issues/1910
https://github.com/zast-ai/vulnerability-reports/blob/main/formidable/file_upload/report.md
https://github.com/hackmdio/codimd/issues/1910

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