GHSA-QVJF-922G-PJ44 Kirby CMS vulnerable to cross-site scripting (XSS) from links in KirbyTags and image blocks in the site frontend

TL;DR This vulnerability affects all Kirby sites that allow the use of the link: … KirbyTag, the link: parameter of the image: … KirbyTag, the built-in image block with a link or the HTML importer for blocks, when content is authored by users who may not be fully trusted. The attack requires an...

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...

GHSA-P48W-VF3C-RQJX Cross-Site Scripting in Bootstrap Package

Problem It has been discovered that rendering content in the website frontend is vulnerable to cross-site scripting. A valid backend user account is needed to exploit this vulnerability. The following templates are affected by the vulnerability:...