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CVE-2021-24279— Redirection for Contact Form 7 < 2.3.4 - Authenticated Arbitrary Plugin Installation

Quick assessment

Affected
Query Solutions Redirection for Contact Form 7
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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。 Contact Form 7 WordPress plugin 2.3.4之前版本存在安全漏洞，该漏洞源于允许低级别用户，比如订阅者，可以使用从调试AJAX操作导入来安装WordPress库中的任何插件。

AI Predicted 8.2 Difficulty: Easy EPSS 0.83% · P56

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-24279

Vulnerability Information
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Vulnerability Title
Redirection for Contact Form 7 < 2.3.4 - Authenticated Arbitrary Plugin Installation
Source: CVE Program / CVE List V5
Vulnerability Description
In the Redirection for Contact Form 7 WordPress plugin before 2.3.4, low level users, such as subscribers, could use the import_from_debug AJAX action to install any plugin from the WordPress repository.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制不正确
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin 安全漏洞
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。 Contact Form 7 WordPress plugin 2.3.4之前版本存在安全漏洞，该漏洞源于允许低级别用户，比如订阅者，可以使用从调试AJAX操作导入来安装WordPress库中的任何插件。
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

Vendor Product Affected Versions CPE Subscribe
Query Solutions Redirection for Contact Form 7 2.3.4 ~ 2.3.4 -

II. Public POCs for CVE-2021-24279

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III. Intelligence Information for CVE-2021-24279

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Vendor Advisories for CVE-2021-24279 (2)

Same Patch Batch · Query Solutions · 2021-05-14 · 5 CVEs total

CVE-2021-24278 Redirection for Contact Form 7 < 2.3.4 - Unauthenticated Arbitrary Nonce Generation
CVE-2021-24280 Redirection for Contact Form 7 < 2.3.4 - Authenticated PHP Object Injection
CVE-2021-24281 Redirection for Contact Form 7 < 2.3.4 - Authenticated Arbitrary Post Deletion
CVE-2021-24282 Redirection for Contact Form 7 < 2.3.4 - Unprotected AJAX Actions

IV. Related Vulnerabilities

Same product: Redirection for Contact Form 7
Same vendor: Query Solutions
Same weakness: CWE-863

V. Comments for CVE-2021-24279

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