CVE-2025-46654

MediumCVSS 4.9/10Last modified Jun 17, 2026

Description

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.

Metrics

CVSS 3.1 4.9/10CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-424

Affected software

Vendor	Product	Versions
HackMD	CodiMD	< 2.2.1

References

https://github.com/hackmdio/codimd/issues/1910Exploit, Issue Tracking
https://github.com/zast-ai/vulnerability-reports/blob/main/formidable/file_upload/report.mdExploit, Third Party Advisory
https://github.com/hackmdio/codimd/issues/1910Exploit, Issue Tracking

Timeline

Published: Apr 26, 2025
Last modified: Jun 17, 2026
NVD status: Analyzed

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