CVE-2025-59717

State: Published
Severity: 5.4 Medium
Published: Sep 19, 2025
Updated: Sep 19, 2025
Reserved: Sep 19, 2025

Description

In the @digitalocean/do-markdownit package through 1.16.1 (in npm), the callout and fence_environment plugins perform .includes substring matching if allowedClasses or allowedEnvironments is a string (instead of an array).

Scores

CVSS	Score	Vector	Source
3.1	5.4 Medium	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N	mitre

Weaknesses

CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')

Affected Products

Product	Versions
@digitalocean/do-markdownitDigitalOcean	1.16.1 and earlierAffected

References

https://github.com/digitalocean/do-markdownit
https://gist.github.com/thesmartshadow/dd19665f1f51a4e3c7a766e70c9eafd0
https://www.npmjs.com/package/@digitalocean/do-markdownit

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