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P4

CVE-2025-66400: mdast-util-to-hast from 13.0.0 (inclusive), before 13.2.1 (exclusive), >= 13.0.0, < 13.2.1

CVE-2025-66400. CVSS 3.1 base score 5.3 (MEDIUM, NVD). EPSS 0.00305 (percentile 0.21723), scored 17-Oct-2026.

Affected technology

mdast-util-to-hast · from 13.0.0 (inclusive), before 13.2.1 (exclusive)
unifiedjs

mdast-util-to-hast · >= 13.0.0, < 13.2.1
syntax-tree

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · No user interaction required

What an attacker can do

Vendor/CNA’s CVSS 4.0 assessment (base score 6.9/10) rates confidentiality and availability impact as none; integrity impact as low. The description does not specify what an attacker can achieve beyond these rated impacts.

Published

CWE
CWE-20, CWE-915
CCR priority
21.3 /100 (P4)
CVSS 3.1
5.3 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N · NVD
EPSS
0.00305 · percentile 0.21723 · 2026-10-17
KEV
no

Provenance

Stable permalink: https://cybercodered.org/item/cve-cve-2025-66400.html