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CVE-2025-46655

MEDIUM
4.9
CVSS Score
Published: April 26, 2025 at 12:00 AM UTC
Updated: June 17, 2026 at 09:26 AM UTC
1 product affected across 1 vendorCodimd

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Severity
MEDIUM4.9
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

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 considered a user error if AWS is employed for hosting untrusted JavaScript content, but the selected architecture within AWS does not have components that are able to insert Content-Security-Policy headers.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Codimd· Hackmd
95%
v ≤ 2.5.4

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (2)

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

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.9MEDIUMmitre
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-424

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