Bug 2444285

Summary: CVE-2026-0540 nextcloud: DOMPurify: Cross-site scripting vulnerability [fedora-all]
Product: [Fedora] Fedora Reporter: Jon Moroney <jmoroney>
Component: nextcloudAssignee: Andrew Bauer <zonexpertconsulting>
Status: CLOSED CURRENTRELEASE QA Contact: Fedora Extras Quality Assurance <extras-qa>
Severity: medium Docs Contact:
Priority: medium    
Version: rawhideCC: zonexpertconsulting
Target Milestone: ---Keywords: Security, SecurityTracking
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard: {"flaws": ["2e21da32-6dc0-4fe8-840c-cc8196d33be3"]}
Fixed In Version: Doc Type: ---
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Clone Of: Environment:
Last Closed: 2026-03-03 23:37:01 UTC Type: ---
Regression: --- Mount Type: ---
Documentation: --- CRM:
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On:    
Bug Blocks: 2444135    

Description Jon Moroney 2026-03-03 23:18:22 UTC 
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Comment 1 Andrew Bauer 2026-03-03 23:37:01 UTC 
Per CVE-2025-15599 documentation, this issue was fixed in DomPurify 3.2.7.
https://nvd.nist.gov/vuln/detail/CVE-2025-15599


The current version of Nextcloud 32.0.6 in fedora repos ships with DOMPurify 3.3.0. Consequently, this bug is invalid.