CVE-2026-65914 — Security Box Score

CVE · referencelatest edition

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2026-65914MEDIUM

cure53 DOMPurify — DOMPurify before 3.3.2 Mutation XSS via Re-Contextualization

  AV  AC  AT  PR  UI  VC  VI  VA   CVSS    EPSS   %ile   KEV
   N   L   N   N   P   N   N   N    5.3   .0017    6.4     —

AFFECTED
  Product    Versions     Fixed
  DOMPurify  unspecified  3.3.2

TIMELINE
  Jul 23  EXPLOIT PUBLISHED — CVE-2026-65914 (cure53 DOMPurify). Public exploit reference added.
  Jul 23  Reserved by VulnCheck
  Jul 23  Published (CNA: VulnCheck)

CWE-79 · CNA: VulnCheck · CVSS v4.0 · 2 references · NVD status: Analyzed

Description

DOMPurify before 3.3.2 contains a mutation-XSS vulnerability when sanitized HTML is reinserted into special parsing contexts using innerHTML with wrappers like script, xmp, iframe, noembed, noframes, or noscript. Attackers can craft payloads with closing sequences that break out of the wrapper context during reparsing, reactivating dangerous markup with event handlers to execute JavaScript.

Lifecycle

Complete event history — 3 events, chronological
Date	Event	Detail
July 23, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2026-65914 (cure53 DOMPurify). Public exploit reference added.
July 23, 2026	Reserved	Reserved by VulnCheck
July 23, 2026	Published	Published (CNA: VulnCheck)

Affected

Affected products and packages — 1 row
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
cure53	DOMPurify	—	—	3.3.2

Weaknesses

CWE-79

References (2)

https://github.com/cure53/DOMPurify/security/advisories/GHSA-h8r8-wccr-v5f2 [Exploit, Third Party Advisory]
https://www.vulncheck.com/advisories/dompurify-before-mutation-xss-via-re-contextualization [Third Party Advisory]

Authoritative record: CVE-2026-65914 at cve.org

Vendors: cure53

Weaknesses: CWE-79

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2026-65914 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.