Moderate severityNVD Advisory· Published Sep 19, 2025· Updated Sep 19, 2025

CVE-2025-59717

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).

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
@digitalocean/do-markdownitnpm	<= 1.16.1	—

Affected products

ghsa-coords
pkg:npm/%40digitalocean/do-markdownit
Range: <= 1.16.1
Digital Project/@digitalocean/do Markdownitv5
Range: 0

Patches

Vulnerability mechanics

References

github.com/advisories/GHSA-2h8j-8r9p-849fghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2025-59717ghsaADVISORY
gist.github.com/thesmartshadow/dd19665f1f51a4e3c7a766e70c9eafd0ghsaWEB
www.npmjs.com/package/@digitalocean/do-markdownitghsaWEB

News mentions

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