CVE-2026-65904: dompurify before 3.4.4 (exclusive); +1 more affected products

CVE-2026-65904. CVSS 3.1 base score 4.7 (MEDIUM, Vendor/CNA). EPSS 0.00266 (percentile 0.17505), scored 22-Oct-2026.

Affected technology

dompurify · before 3.4.4 (exclusive)
cure53

DOMPurify · 0 through 3.3.3
cure53

Description’s affected range: through 3.3.3 fails to sanitize DOM elements passed via IN_PLACE mode when the element originates from a different window/realm (e.g

Component: Not specified by the source
Function: returns

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

What an attacker can do

Vendor/CNA’s CVSS 4.0 assessment (base score 2.3/10) rates confidentiality, integrity and availability impact as none. The description does not specify what an attacker can achieve beyond these rated impacts.

Published 24-Oct-2026 15:09 UTC

CWE: CWE-754
CCR priority: 18.9 /100 (P5)
CVSS 3.1: 4.7 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N · Vendor/CNA
EPSS: 0.00266 · percentile 0.17572 · 2026-10-24
KEV: no

Provenance

FIRST EPSS daily exploit-probability · Source record · observed 2026-10-24 15:09:16.138216+00:00 UTC
NVD CVE API 2.0 · Source record · observed 2026-10-24 15:07:27.951960+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-65904.html