Cyber Resilience

CVE-2025-59717

MediumPublic PoC

Published: 19 September 2025

Published
19 September 2025
Modified
08 October 2025
KEV Added
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Patch
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CVSS Score v3.1 5.4 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N
EPSS Score 0.0008 24.6th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-59717 is a medium-severity Type Confusion (CWE-843) vulnerability in Digitalocean Do-Markdownit. Its CVSS base score is 5.4 (Medium).

Operationally, ranked at the 24.6th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.

EU & UK References

Vulnerability details

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).

CWE(s)
CWE-843NVD-CWE-Other

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

digitalocean
do-markdownit
≤ 1.16.1

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References