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CVE Vulnerability Details :
CVE-2026-47423
PUBLISHED
More InfoOfficial Page
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
View Known Exploited Vulnerability (KEV) details
Published At-14 Jul, 2026 | 19:56
Updated At-16 Jul, 2026 | 14:47
Rejected At-
▼CVE Numbering Authority (CNA)
DOMPurify XSS via `selectedcontent` re-clone

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.

Affected Products
Vendor
cure53
Product
DOMPurify
Versions
Affected
  • >= 3.4.4, < 3.4.5
Problem Types
TypeCWE IDDescription
CWECWE-79CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Type: CWE
CWE ID: CWE-79
Description: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Metrics
VersionBase scoreBase severityVector
3.18.2HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
Version: 3.1
Base score: 8.2
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/cure53/DOMPurify/security/advisories/GHSA-87xg-pxx2-7hvx
x_refsource_CONFIRM
https://github.com/cure53/DOMPurify/commit/011b0c78f2a0f57ee54f5fcccb697a46ca6e63ea
x_refsource_MISC
https://github.com/cure53/DOMPurify/releases/tag/3.4.5
x_refsource_MISC
Hyperlink: https://github.com/cure53/DOMPurify/security/advisories/GHSA-87xg-pxx2-7hvx
Resource:
x_refsource_CONFIRM
Hyperlink: https://github.com/cure53/DOMPurify/commit/011b0c78f2a0f57ee54f5fcccb697a46ca6e63ea
Resource:
x_refsource_MISC
Hyperlink: https://github.com/cure53/DOMPurify/releases/tag/3.4.5
Resource:
x_refsource_MISC
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://github.com/cure53/DOMPurify/security/advisories/GHSA-87xg-pxx2-7hvx
exploit
Hyperlink: https://github.com/cure53/DOMPurify/security/advisories/GHSA-87xg-pxx2-7hvx
Resource:
exploit
Details not found