UpHeron
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Servers and applications

CVE-2025-25062

An XSS issue was discovered in Backdrop CMS 1.28.x before 1.28.5 and 1.29.x before 1.29.3. It doesn't sufficiently isolate long text content when the CKEditor 5 rich text editor is used. This allows a potential attacker to craft specialized HTML and JavaScript that may be executed when an administrator attempts to edit a piece of content. This vulnerability is mitigated by the fact that an…

Severity
Medium 4.4
Published
3 Feb 2025
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Fixed in
1.28.5, 1.29.3
Sources
NVD

Affected software

SoftwareAffected versions
Backdrop CMSServers and applications · cpe:a:backdropcms:backdrop_cms
  • From 1.28.0 before 1.28.5
  • From 1.29.0 before 1.29.3

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2025-25062
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2025-25062