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I. Basic Information for CVE-2021-24604
Vulnerability Information

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Vulnerability Title
Availability Calendar < 1.2.2 - Authenticated Stored Cross-Site Scripting
Source: NVD (National Vulnerability Database)
Vulnerability Description
The Availability Calendar WordPress plugin before 1.2.2 does not sanitise or escape its Category Names before outputting them in page/post where the associated shortcode is embed, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html is disallowed
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
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
WordPress 插件跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress是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 插件是WordPress开源的一个应用插件。 WordPress Plugin 存在跨站脚本漏洞,该漏洞源于 1.2.2 版本之前的 Availability Calendar 插件在将它们输出到嵌入相关短代码的页面/帖子中之前不会清理或转义其类别名称,即使 unfiltered_html 被禁止,也允许高权限用户执行跨站点脚本攻击。
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
UnknownAvailability Calendar 1.2.2 ~ 1.2.2 -
II. Public POCs for CVE-2021-24604
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III. Intelligence Information for CVE-2021-24604
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IV. Related Vulnerabilities
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