漏洞信息
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Vulnerability Title
Webmention <= 5.8.0 - Unauthenticated Stored Cross-Site Scripting via MF2 'photo'/'url' Author Properties
Vulnerability Description
The Webmention plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to and including 5.8.0 via parser-derived 'avatar' and 'url' author metadata. This is due to insufficient input sanitization and output escaping on user-supplied MF2 author properties processed by the unauthenticated webmention REST endpoint and rendered directly into HTML 'value' attributes by the edit-comment-form template without esc_attr() or esc_url(). This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a privileged user (moderator or administrator) opens the affected comment edit screen.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/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
Matthias Pfefferle Webmention 跨站脚本漏洞
Vulnerability Description
Matthias Pfefferle Webmention是德国Matthias Pfefferle个人开发者的一款服务器端组件。 Matthias Pfefferle Webmention 5.8.0及之前版本存在跨站脚本漏洞,该漏洞源于对用户提供的MF2作者属性输入清理和输出转义不足,使得未经身份验证的攻击者能够通过parser-derived的'avatar'和'url'作者元数据注入任意Web脚本,当特权用户打开受影响的评论编辑页面时执行,容易受到存储型跨站脚本攻击。
CVSS Information
N/A
Vulnerability Type
N/A