SecuriTricks - CVE-2025-46655

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.

Product(s) Impacted

Vendor	Product	Versions
Codimd	Codimd	2.5.4

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-424

Improper Protection of Alternate Path

The product does not sufficiently protect all possible paths that a user can take to access restricted functionality or resources.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	codiMD	codimd	2.5.4	/	/	/	/	/	/	/

References

https://github.com/hackmdio/codimd/issues/1910

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

CVSS Score

4.9 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: HIGH
Privileges Required: LOW
Scope: CHANGED
Confidentiality Impact: LOW
Integrity Impact: LOW
Availability Impact: NONE

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

View Vector String

Timeline

Published: April 26, 2025, 9:15 p.m.
Last Modified: April 26, 2025, 9:15 p.m.

Status : Received

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

cve@mitre.org

CVE-2025-46655