CVE-2024-27087— Kirby cross-site scripting (XSS) in the link field "Custom" type
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I. Basic Information for CVE-2024-27087
Vulnerability Information
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Vulnerability Title
Kirby cross-site scripting (XSS) in the link field "Custom" type
Source: NVD (National Vulnerability Database)
Vulnerability Description
Kirby is a content management system. The new link field introduced in Kirby 4 allows several different link types that each validate the entered link to the relevant URL format. It also includes a "Custom" link type for advanced use cases that don't fit any of the pre-defined link formats. As the "Custom" link type is meant to be flexible, it also allows the javascript: URL scheme. In some use cases this can be intended, but it can also be misused by attackers to execute arbitrary JavaScript code when a user or visitor clicks on a link that is generated from the contents of the link field. This vulnerability is patched in 4.1.1.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Kirby 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Kirby是一套基于文件的内容管理系统（CMS）。 Kirby 4.1.1之前版本存在安全漏洞，该漏洞源于引入的新链接字段允许多种不同的链接类型，攻击者利用该漏洞可能会执行任意JavaScript代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2024-27087
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- https://github.com/getkirby/kirby/security/advisories/GHSA-63h4-w25c-3qv4x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2024-27087
IV. Related Vulnerabilities
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Same vendor: getkirby
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Kirby: `pages.access/list` and `files.access/list` permissio - CVE-2026-42051
Kirby: System API endpoint leaks license data and installed - CVE-2026-42069
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Same weakness: CWE-79
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V. Comments for CVE-2024-27087
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