CVE-2026-45368 Kirby: Cross-site scripting (XSS) from links in KirbyTags and image blocks in the site frontend

Kirby is an open-source content management system. In versions prior to 4.9.1 and 5.4.1, the underlying URL methods for the KirbyTags and image blocks components did not filter out malicious URL values that resolve to script execution. The vulnerability affects four first-party Kirby renderers th...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the rendering of links in KirbyTags and image blocks in the site frontend when untrusted user input is processed. An attacker can execute arbitrary JavaScript code in the context of site visitors or logged-i...

PT-2026-44155

Name of the Vulnerable Software and Affected Versions Kirby versions prior to 4.9.1 Kirby versions prior to 5.4.1 Description Kirby is an open-source content management system. A stored Cross-site scripting XSS issue exists where the system fails to filter malicious URL values that resolve to...