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I. Basic Information for CVE-2021-24977
Vulnerability Information

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Vulnerability Title
Use Any Font < 6.2.1 - Unauthenticated Arbitrary CSS Appending
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Use Any Font | Custom Font Uploader WordPress plugin before 6.2.1 does not have any authorisation checks when assigning a font, allowing unauthenticated users to sent arbitrary CSS which will then be processed by the frontend for all users. Due to the lack of sanitisation and escaping in the backend, it could also lead to Stored XSS issues
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制缺失
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress是WordPress(Wordpress)基金会的一套使用PHP语言开发的博客平台。该平台支持在PHP和MySQL的服务器上架设个人博客网站。 WordPress plugin Custom Font Uploader 存在安全漏洞,该漏洞源于后端缺乏清理和转义。攻击者可利用该漏洞导致存储型 XSS 问题。
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
VendorProductAffected VersionsCPESubscribe
UnknownUse Any Font | Custom Font Uploader 6.2.1 ~ 6.2.1 -
II. Public POCs for CVE-2021-24977
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III. Intelligence Information for CVE-2021-24977
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