Vulnerability Description
Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites using the writer field in any blueprint allowed a scripting link to be included as the target of a link or email link in writer mark components, making the target clickable by the user who entered it and enabling self cross-site scripting in the Panel. This issue is fixed in versions 4.9.4 and 5.4.4.
Related Weaknesses (CWE)
References
- https://github.com/getkirby/kirby/releases/tag/4.9.4
- https://github.com/getkirby/kirby/releases/tag/5.4.4
- https://github.com/getkirby/kirby/security/advisories/GHSA-rhj6-r49h-5932
FAQ
What is CVE-2026-49276?
CVE-2026-49276 is a documented vulnerability. Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites using the writer field in any blueprint allowed a scripting link to be included as the target of a link or emai...
How severe is CVE-2026-49276?
CVSS scoring is not yet available for CVE-2026-49276. Check NVD for updates.
Is there a patch for CVE-2026-49276?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.