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CVE-2021-24248— Business Directory Plugin < 5.11.1 - Authenticated PHP4 Upload to RCE

Quick assessment

Affected
Business Directory Team Business Directory Plugin – Easy Listing Directories for WordPress
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（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Business Directory 5.11.1之前版本存在安全漏洞，该漏洞源于没有正确检查导入的文件，允许管理员导入包含有.php4的归档文件，从而导致RCE。

AI Predicted 8.1 Difficulty: Trivial EPSS 1.58% · P75

Possible ATT&CK Techniques 1 AI

T1505.003 · Web Shell
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I. Basic Information for CVE-2021-24248

Vulnerability Information
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Vulnerability Title
Business Directory Plugin < 5.11.1 - Authenticated PHP4 Upload to RCE
Source: CVE Program / CVE List V5
Vulnerability Description
The Business Directory Plugin – Easy Listing Directories for WordPress WordPress plugin before 5.11.1 did not properly check for imported files, forbidding certain extension via a blacklist approach, allowing administrator to import an archive with a .php4 inside for example, leading to RCE
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress 代码问题漏洞
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插件Business Directory 5.11.1之前版本存在安全漏洞，该漏洞源于没有正确检查导入的文件，允许管理员导入包含有.php4的归档文件，从而导致RCE。
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
Business Directory Team Business Directory Plugin – Easy Listing Directories for WordPress 5.11.1 ~ 5.11.1 -

II. Public POCs for CVE-2021-24248

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III. Intelligence Information for CVE-2021-24248

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Vendor Advisories for CVE-2021-24248 (1)

Same Patch Batch · Business Directory Team · 2021-05-05 · 6 CVEs total

CVE-2021-24178 Business Directory Plugin < 5.11.1 - Arbitrary Add/Edit/Delete Form Field to Stored XSS
CVE-2021-24179 Business Directory Plugin < 5.11 - Arbitrary File Upload to RCE
CVE-2021-24249 Business Directory Plugin < 5.11.2 - Arbitrary Listing Export
CVE-2021-24250 Business Directory Plugin < 5.11.2 - Authenticated Stored Cross-Site Scripting
CVE-2021-24251 Business Directory Plugin < 5.11.2 - Arbitrary Payment History Update

IV. Related Vulnerabilities

Same product: Business Directory Plugin – Easy Listing Directories for WordPress
Same vendor: Business Directory Team
Same weakness: CWE-434

V. Comments for CVE-2021-24248

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