CVE-2025-59717

CRITICAL EPSS 28.0%
Published Sep 19, 20259mo ago · Modified Jun 17, 20262w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Sep 19, 2025 9mo ago
Last Modified Jun 17, 2026 2w ago

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).

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
28.0% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-843

Affected Products 1

VendorProductVersionRange
digitaloceando-markdownit* ≤1.16.1

References 3

  • gist.github.com https://gist.github.com/thesmartshadow/dd19665f1f51a4e3c7a766e70c9eafd0
    ExploitThird Party Advisory
  • github.com https://github.com/digitalocean/do-markdownit
    Product
  • npmjs.com https://www.npmjs.com/package/@digitalocean/do-markdownit
    Product

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.