Kirby cross-site scripting (XSS) in the link field "Custom" type

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

在Web页面生成时对输入的转义处理不恰当(跨站脚本)

Kirby 安全漏洞

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。

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