Bug 2517772 (CVE-2026-75838) - CVE-2026-75838 dompurify: DOMPurify: Cross-Site Scripting via IN_PLACE sanitization
Summary: CVE-2026-75838 dompurify: DOMPurify: Cross-Site Scripting via IN_PLACE saniti...
Keywords:
Status: NEW
Alias: CVE-2026-75838
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On: 2535901 2535904 2535907 2535909 2535912 2535913 2535914 2535916 2535905 2535906 2535908 2535910 2535911 2535915 2535917 2535918 2535927
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-08-18 11:32 UTC by OSIDB Bzimport
Modified: 2026-09-23 20:50 UTC (History)
107 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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Links
System ID Private Priority Status Summary Last Updated
Red Hat Product Errata RHSA-2026:71113 0 None None None 2026-09-23 20:50:49 UTC

Description OSIDB Bzimport 2026-08-18 11:32:34 UTC 
DOMPurify before 3.4.13 contains a cross-site scripting vulnerability in IN_PLACE sanitization where element-removal hooks fail to neutralize detached subtrees. Attackers can supply HTML with event handlers on descendant elements that execute after sanitization completes, even though the returned root appears clean.
Comment 2 Jon Orris 2026-09-23 20:50:44 UTC 
This issue has been addressed in the following products:

  Red Hat Ansible Automation Platform 2.6 for RHEL 10
  Red Hat Ansible Automation Platform 2.6 for RHEL 9

Via RHSA-2026:71113 https://access.redhat.com/errata/RHSA-2026:71113
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