CVE-2025-59717 | BDVDB-2026-294776 Detail

DigitalOcean@digitalocean/do-markdownit

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).

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact none. Attack vector: network.

Weaknesses#

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

References#

Exploit#

No public exploit known

History#

Version 12025-09-19Record published in the CVE List.

Published

Published: 2025-09-19
Last modified: 2025-09-19

Vendor information

Vendor: DigitalOcean
Product: @digitalocean/do-markdownit

All DigitalOcean vulnerabilities

Score

5.4 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 33.1.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Type Confusion

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
<= 1.16.1
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

5.4 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	High
Privileges Required	None
User Interaction	None
Scope	Changed
Confidentiality	Low
Integrity	Low
Availability	None

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).