517 matches found
CVE-2026-32870
Kirby is an open-source content management system. Kirby's Xml::value method has special handling for blocks. If the input value is already valid CDATA, it is not escaped a second time but allowed to pass through. However, prior to versions 4.9.0 and 5.4.0, it was possible to trick this check int...
CVE-2026-34587
Kirby is an open-source content management system. Prior to versions 4.9.0 and 5.4.0, Kirby's user permissions control which user role is allowed to perform specific actions to content models in the CMS. These permissions are defined for each role in the user blueprint site/blueprints/users/.... ...
CVE-2026-41325
Kirby is an open-source content management system. Kirby's user permissions control which user role is allowed to perform specific actions to content models in the CMS. These permissions are defined for each role in the user blueprint site/blueprints/users/.... It is also possible to customize th...
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...
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...
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...
Kirby CMS's content locks disclose IDs and emails of inaccessible users from `users.access/list` permissions
TL;DR This vulnerability affects all Kirby sites that restrict the visibility of users for certain roles via the users.access or users.list permissions. A site is affected if users of a particular role are not allowed to see other users in the Panel, for example because the role's blueprint sets...
GHSA-39VQ-49QM-R2MC Kirby CMS's content locks disclose IDs and emails of inaccessible users from `users.access/list` permissions
TL;DR This vulnerability affects all Kirby sites that restrict the visibility of users for certain roles via the users.access or users.list permissions. A site is affected if users of a particular role are not allowed to see other users in the Panel, for example because the role's blueprint sets...
Missing Authorization
Overview Affected versions of this package are vulnerable to Missing Authorization via the content-locking process. An attacker can obtain email addresses and identifiers of users who should be inaccessible by sending requests as an authenticated user with restricted users.access or users.list...
PT-2026-44153
TL;DR This vulnerability affects all Kirby sites that restrict the visibility of users for certain roles via the users.access or users.list permissions. A site is affected if users of a particular role are not allowed to see other users in the Panel, for example because the role's blueprint sets...
PT-2026-44155
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...
GHSA-9HX7-C53C-V6X8 Kirby CMS has pre-authentication path traversal and PHP file inclusion during user lookup
TL;DR This vulnerability affects all Kirby sites on Kirby 5.3.0-5.4.0 and is independent from setup conditions and authentication. This vulnerability is of high severity for all Kirby sites. ---- Introduction Path traversal is a type of attack that allows to access arbitrary filesystem paths. By...
Kirby CMS has pre-authentication path traversal and PHP file inclusion during user lookup
TL;DR This vulnerability affects all Kirby sites on Kirby 5.3.0-5.4.0 and is independent from setup conditions and authentication. This vulnerability is of high severity for all Kirby sites. ---- Introduction Path traversal is a type of attack that allows to access arbitrary filesystem paths. By...
PHP Remote File Inclusion
Overview Affected versions of this package are vulnerable to PHP Remote File Inclusion via the Users collection lookup process. An attacker can include arbitrary PHP files and probe for the existence of directories by supplying crafted user IDs containing path traversal sequences. Remediation...
GHSA-2XW4-V2WX-HQQ9 Kirby CMS's `pages.access` permission is not checked during rendering of page drafts
TL;DR This vulnerability affects all Kirby sites where users of a particular role have no permission to access pages pages.access permission is disabled. This can be due to configuration in the user blueprints, via options in the model blueprints or via a combination of both settings. Kirby sites...
Missing Authorization
Overview Affected versions of this package are vulnerable to Missing Authorization in the pages.access permission check during the rendering process of page drafts. An attacker can gain unauthorized access to sensitive page draft content by authenticating as a user without the required permission...
Kirby CMS's `pages.access` permission is not checked during rendering of page drafts
TL;DR This vulnerability affects all Kirby sites where users of a particular role have no permission to access pages pages.access permission is disabled. This can be due to configuration in the user blueprints, via options in the model blueprints or via a combination of both settings. Kirby sites...
Kirby CMS vulnerable to cross-site scripting (XSS) from list field content in the site frontend
TL;DR This vulnerability affects all Kirby sites that use the list field or list block, when content is authored by users who may not be fully trusted. The attack requires an authenticated Panel user with update permission to any list field or list block. This vulnerability is of high severity fo...
GHSA-5FHX-9Q32-Q257 Kirby CMS vulnerable to cross-site scripting (XSS) from list field content in the site frontend
TL;DR This vulnerability affects all Kirby sites that use the list field or list block, when content is authored by users who may not be fully trusted. The attack requires an authenticated Panel user with update permission to any list field or list block. This vulnerability is of high severity fo...
Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')
Overview Affected versions of this package are vulnerable to Use of Externally-Controlled Input to Select Classes or Code 'Unsafe Reflection' via the REST API search and collection query endpoints. An attacker can execute arbitrary methods on model objects by supplying crafted queries, potentiall...