CVE-2026-47423

FAUCET Score

DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. In 3.4.4, DOMPurify allowed selectedcontent by default, allowing browsers to re-clone an XSS payload after sanitization so that unsanitized markup inside <selectedcontent> is returned. This issue is fixed in version 3.4.5.

First published: Jul 14, 2026Last modified: Jul 14, 2026

Impacted Technologies

Vendor	Product	Version(s)	CPE
		3.4.4CPE matchmatch criteria	cpe:2.3:a:cure53:dompurify:3.4.4:::::::*

CVSS Data

CVSS version used by this source: 3.1

8.2HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

LOW

Availability Impact

NONE

Exploitability Score

2.8

Impact Score

4.7

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.27%

Probability of exploitation in next 30 days

EPSS Percentile

18.9%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0027 is in the 21st percentile among its peer group of 14,875 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference

View patch

npmpatch availablevia ghsa

Product: dompurifyFixed in: 3.4.5

Vendor Advisories (1)

npmGHSA-87xg-pxx2-7hvxhigh

DOMPurify XSS via selectedcontent re-clone

Jun 1, 2026

References

github.com / cure53/DOMPurify/commit/011b0c78f2a0f57ee54f5fcccb697a46ca6e63ea

Patch

github.com / cure53/DOMPurify/releases/tag/3.4.5

Release Notes

github.com / cure53/DOMPurify/security/advisories/GHSA-87xg-pxx2-7hvx

ExploitVendor Advisory