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CVE-2021-24307— All in One SEO Pack < 4.1.0.2 - Admin RCE via unserialize

Quick assessment

Affected
All in One SEO Team All in One SEO – Best WordPress SEO Plugin – Easily Improve Your SEO Rankings
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用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是一个应用插件。 WordPress plugin All in One SEO Pack 4.1.0.2之前版本存在代码问题漏洞，该漏洞允许经过身份验证的攻击者使用“aioseo_tools_settings”的权限在底层主机上执行任意代码。

AI Predicted 7.2 Difficulty: Easy EPSS 53.27% · P99

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-24307

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
All in One SEO Pack < 4.1.0.2 - Admin RCE via unserialize
Source: CVE Program / CVE List V5
Vulnerability Description
The All in One SEO – Best WordPress SEO Plugin – Easily Improve Your SEO Rankings before 4.1.0.2 enables authenticated users with "aioseo_tools_settings" privilege (most of the time admin) to execute arbitrary code on the underlying host. Users can restore plugin's configuration by uploading a backup .ini file in the section "Tool > Import/Export". However, the plugin attempts to unserialize values of the .ini file. Moreover, the plugin embeds Monolog library which can be used to craft a gadget chain and thus trigger system command execution.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
可信数据的反序列化
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin All in One SEO Pack 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用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是一个应用插件。 WordPress plugin All in One SEO Pack 4.1.0.2之前版本存在代码问题漏洞，该漏洞允许经过身份验证的攻击者使用“aioseo_tools_settings”的权限在底层主机上执行任意代码。
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
All in One SEO Team All in One SEO – Best WordPress SEO Plugin – Easily Improve Your SEO Rankings 4.1.0.2 ~ 4.1.0.2 -

II. Public POCs for CVE-2021-24307

# POC Description Source Link Shenlong Link
1 None https://github.com/darkpills/CVE-2021-24307-all-in-one-seo-pack-admin-rce POC Details
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III. Intelligence Information for CVE-2021-24307

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Vendor Advisories for CVE-2021-24307 (1)

Other References for CVE-2021-24307 (1)

IV. Related Vulnerabilities

Same vendor: All in One SEO Team
Same weakness: CWE-502

V. Comments for CVE-2021-24307

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