CVE-2026-47423

HIGH 8.2EPSS 0.4%

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.

CVSS v3.1: 8.2 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
CVSS v3.1: 8.2 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
EPSS: 0.41% chance of exploitation in the next 30 days, 34th percentile
Published: 2026-07-14
Updated: 2026-07-16

Proof-of-concept exploits (1)

advisories/GHSA-87xg-pxx2-7hvx

References

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