CVE-2025-59717

MEDIUM

Digitalocean Do-markdownit < 1.16.1 - Type Confusion

Title source: rule
STIX 2.1

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).

References (3)

Scores

CVSS v3 5.4
EPSS 0.0005
EPSS Percentile 16.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-843
Status published
Products (2)
digitalocean/do-markdownit < 1.16.1
digitalocean/do-markdownit 0npm
Published Sep 19, 2025
Tracked Since Feb 18, 2026