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I. Basic Information for CVE-2021-21389
Vulnerability Information

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Vulnerability Title
BuddyPress privilege escalation via REST API
Source: NVD (National Vulnerability Database)
Vulnerability Description
BuddyPress is an open source WordPress plugin to build a community site. In releases of BuddyPress from 5.0.0 before 7.2.1 it's possible for a non-privileged, regular user to obtain administrator rights by exploiting an issue in the REST API members endpoint. The vulnerability has been fixed in BuddyPress 7.2.1. Existing installations of the plugin should be updated to this version to mitigate the issue.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不正确
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 BuddyPress 7.2.1 存在安全漏洞,该漏洞源于非特权的普通用户可以通过利用REST API成员端点中的问题获得管理员权限。
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
buddypressBuddyPress >= 5.0.0, < 7.2.1 -
II. Public POCs for CVE-2021-21389
#POC DescriptionSource LinkShenlong Link
1BuddyPress is an open source WordPress plugin to build a community site. In releases of BuddyPress from 5.0.0 before 7.2.1 it's possible for a non-privileged, regular user to obtain administrator rights by exploiting an issue in the REST API members endpoint. The vulnerability has been fixed in BuddyPress 7.2.1. Existing installations of the plugin should be updated to this version to mitigate the issue.https://github.com/HoangKien1020/CVE-2021-21389POC Details
2경희대 졸업프로젝트https://github.com/mynameSumin/CVE-2021-21389POC Details
3WordPress BuddyPress before version 7.2.1 is susceptible to a privilege escalation vulnerability that can be leveraged to perform remote code execution.https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-21389.yamlPOC Details
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III. Intelligence Information for CVE-2021-21389
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IV. Related Vulnerabilities
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