Vulnerability Information
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Vulnerability Title
Cross-site scripting (XSS) from image block content in the site frontend
Vulnerability Description
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 characters to protect against cross-site scripting (XSS) attacks. The default snippet for the image block unfortunately did not use our escaping helper. This made it possible to include malicious HTML code in the source, alt and link fields of the image block, which would then be displayed on the site frontend and executed in the browsers of site visitors and logged in users who are browsing the site. Attackers must be in your group of authenticated Panel users in order to exploit this weakness. Users who do not make use of the blocks field are not affected. This issue has been patched in Kirby version 3.5.8 by escaping special HTML characters in the output from the default image block snippet. Please update to this or a later version to fix the vulnerability.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Vulnerability Title
Kirby 跨站脚本漏洞
Vulnerability Description
Kirby是一套基于文件的内容管理系统（CMS）。 Kirby 中存在跨站脚本漏洞，该漏洞源于产品未对输入数据做有效验证。攻击者可通过该漏洞执行客户端代码。以下产品及版本受到影响：Kirby 3.5.8 版本及之前版本。
CVSS Information
N/A
Vulnerability Type
N/A