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I. Basic Information for CVE-2021-39343
Vulnerability Information

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Vulnerability Title
MPL-Publisher – Self-publish your book & ebook <= 1.30.2 Authenticated Stored Cross-Site Scripting
Source: NVD (National Vulnerability Database)
Vulnerability Description
The MPL-Publisher WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and sanitization via several parameters found in the ~/libs/PublisherController.php file which allowed attackers with administrative user access to inject arbitrary web scripts, in versions up to and including 1.30.2. This affects multi-site installations where unfiltered_html is disabled for administrators, and sites where unfiltered_html is disabled.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N
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 跨站脚本漏洞
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 存在跨站脚本漏洞,该漏洞源于 MPL-Publisher 插件很容易受到存储跨站点脚本的攻击,这是由于 ~/libs/PublisherController.php 文件中的几个参数导致的输入验证和清理不足,这允许具有管理用户访问权限的攻击者在不同版本中注入任意 Web 脚本。
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
MPL-PublisherMPL-Publisher 1.30.2 ~ 1.30.2 -
II. Public POCs for CVE-2021-39343
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III. Intelligence Information for CVE-2021-39343
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IV. Related Vulnerabilities
V. Comments for CVE-2021-39343

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