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High 8.2
Kirby: Access to image files and limited access to JSON files outside of the site root via path traversal in the media handling
Kirby is an open-source content management system. Prior to 4.9.5 and 5.5.2, depending on the release line, Kirby's media handler in src/Cms/Media.php allowed Kirby\Cms\Media::thumb() to append a path-bearing filename to a validated parent media directory. On…
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High 7.1
Kirby: File upload permissions are not checked during processing of chunk data
Kirby is an open-source content management system. From 5.0.0 until 5.5.2, Kirby's REST API chunk upload handler in src/Api/Upload.php did not run the relevant upload authorization preflight in Kirby\Api\Upload::process() before Kirby\Api\Upload::processChunk…
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High 8.4
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 affec…
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High 8.5
Kirby: Cross-site scripting (XSS) from list field content in the site frontend
Kirby is an open-source content management system. In versions prior to 4.9.1 and 5.4.1, Kirby did not securely sanitize the contents of the list field on save, leaving it vulnerable to cross-site scripting (XSS). Kirby's list field stores its formatted conte…
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High 8.8CVE-2026-44177 Scanner template
Kirby: Pre-authentication path traversal and PHP file inclusion during user lookup
Kirby is an open-source content management system. In versions 5.3.0 and above but prior to 5.4.1, Kirby did not correctly validate the provided user ID, resulting in a path traversal vulnerability. Version 5.3.0 introduced a performance improvement to the Us…
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High 8.7
Kirby: Arbitrary Method Call via REST API search and collection query endpoints
Kirby is an open-source content management system. Prior to 4.9.1 and 5.4.1, Kirby did not validate the model attributes that were used in its collection queries, allowing attackers to include arbitrary model methods in their queries. This includes methods wi…
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High 7.4
Kirby: Self cross-site scripting (self-XSS) in the writer field
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 clickab…
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High 7.1
Kirby: `pages.access` permission is not checked in the `site/find` REST API route
Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites where a role has the pages.access permission disabled allowed authenticated users who know or guess page IDs or UUIDs to retrieve page information, including full content…
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High 8.5
Kirby: Cross-site scripting (XSS) from incomplete HTML/XML sanitization in `Dom::sanitize()`
Kirby is an open-source content management system. Prior to 4.9.4 and 5.4.4, Kirby sites and plugins that use the writer or list fields or call Dom::sanitize(), Sane::sanitize(), Sane::Html::sanitize(), Sane::Svg::sanitize(), Sane::Xml::sanitize(), Sane::sani…
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High 7.1
Kirby: `pages.access/list` and `files.access/list` permissions are not consistently checked in the REST API and changes dialog
Kirby is an open-source content management system. Prior to versions 4.9.0 and 5.4.0, `pages.access/list` and `files.access/list` permissions are not consistently checked in the Panel and REST API. This issue has been patched in versions 4.9.0 and 5.4.0.
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High 7.1
Kirby: Read access to site, user and role information is not gated by permissions
Kirby is an open-source content management system. Prior to versions 4.9.0 and 5.4.0, read access to site, user and role information is not gated by permissions. This issue has been patched in versions 4.9.0 and 5.4.0.
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High 7.1
Kirby is vulnerable to authorization bypass during page, file and user creation via blueprint injection
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/…
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High 7.6
Kirby has Server-Side Template Injection (SSTI) via double template resolution in option rendering
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…
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High 8.1
Insufficient permission checks in the language settings in Kirby CMS
Kirby is a CMS targeting designers and editors. Kirby allows to restrict the permissions of specific user roles. Users of that role can only perform permitted actions. Permissions for creating and deleting languages have already existed and could be configure…
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High 8.8
Kirby vulnerable to unrestricted file upload of user avatar images
An arbitrary file upload vulnerability in the Profile Image module of Kirby CMS v4.1.0 allows attackers to execute arbitrary code via a crafted PDF file.
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High 7.3
Kirby vulnerable to Insufficient Session Expiration after a password change
Kirby is a content management system. A vulnerability in versions prior to 3.5.8.3, 3.6.6.3, 3.7.5.2, 3.8.4.1, and 3.9.6 affects all Kirby sites with user accounts (unless Kirby's API and Panel are disabled in the config). It can only be abused if a Kirby use…
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High 7.1
Kirby vulnerable to field injection in the KirbyData text storage handler
Kirby is a content management system. A vulnerability in versions prior to 3.5.8.3, 3.6.6.3, 3.7.5.2, 3.8.4.1, and 3.9.6 affects all Kirby sites that might have potential attackers in the group of authenticated Panel users or that allow external visitors to u…
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High 7.1
Cross-site scripting from content entered in the tags and multiselect fields
### Introduction Cross-site scripting (XSS) is a type of vulnerability that allows to execute any kind of JavaScript code inside the Panel session of the same or other users. In the Panel, a harmful script can for example trigger requests to Kirby's API with …
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High 7.3
Cross-site scripting (XSS) from image block content in the site frontend
Kirby is an open source file structured CMS. In affected versions Kirby's blocks field stores structured data for each block. This data is then used in block snippets to convert the blocks to HTML for use in your templates. We recommend to escape HTML special…
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High 7.3
Cross-site scripting (XSS) from writer field content in the site frontend
Kirby is an open source file structured CMS ### Impact Kirby's writer field stores its formatted content as HTML code. Unlike with other field types, it is not possible to escape HTML special characters against cross-site scripting (XSS) attacks, otherwise th…
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High 7.1
Cross-site scripting (XSS) from field and configuration text displayed in the Panel
Kirby is a content management system. In Kirby CMS versions 3.5.5 and 3.5.6, the Panel's `ListItem` component (used in the pages and files section for example) displayed HTML in page titles as it is. This could be used for cross-site scripting (XSS) attacks. …
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High 7.6CVE-2021-29460 Public exploit
Cross-site scripting (XSS) from unsanitized uploaded SVG files
Kirby is an open source CMS. An editor with write access to the Kirby Panel can upload an SVG file that contains harmful content like `<script>` tags. The direct link to that file can be sent to other users or visitors of the site. If the victim opens that li…