CVE-2026-49276

Summary

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.

Affected Software

VendorProductVersion RangeStatus
getkirbykirby< 4.9.4affected
getkirbykirby>= 5.0.0, < 5.4.4affected

Weaknesses

  • CWE-83: CWE-83: Improper Neutralization of Script in Attributes in a Web Page

References