XSS in Getkirby Kirby

CVE-2026-49276

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.

EPSS: 0.003 (21.5th percentile) — read the EPSS interpretation.

Affected products

Weakness classification (CWE)

References