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CVE-2023-4521— Import XML and RSS Feeds < 2.1.5 - Unauthenticated RCE

Quick assessment

Affected
Unknown Import XML and RSS Feeds
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 Import XML and RSS Feeds 2.1.5 版本之前存在代码注入漏洞，该漏洞源于包含一个 Web shell，从而导致远程代码执行。

AI Predicted 10.0 Difficulty: Trivial EPSS 40.83% · P99

Public Exploits 1

Nuclei · 1 CVE-2023-4521.yaml [template]

Possible ATT&CK Techniques 1 AI

T1505.003 · Web Shell
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I. Basic Information for CVE-2023-4521

Vulnerability Information
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Vulnerability Title
Import XML and RSS Feeds < 2.1.5 - Unauthenticated RCE
Source: CVE Program / CVE List V5
Vulnerability Description
The Import XML and RSS Feeds WordPress plugin before 2.1.5 contains a web shell, allowing unauthenticated attackers to perform RCE. The plugin/vendor was not compromised and the files are the result of running a PoC for a previously reported issue (https://wpscan.com/vulnerability/d4220025-2272-4d5f-9703-4b2ac4a51c42) and not deleting the created files when releasing the new version.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress plugin Import XML and RSS Feeds 代码注入漏洞
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 Import XML and RSS Feeds 2.1.5 版本之前存在代码注入漏洞，该漏洞源于包含一个 Web shell，从而导致远程代码执行。
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)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Unknown Import XML and RSS Feeds 2.1.4 ~ 2.1.5 -

II. Public POCs for CVE-2023-4521

# POC Description Source Link Shenlong Link
1 The Import XML and RSS Feeds WordPress plugin before 2.1.5 allows unauthenticated attackers to execute arbitrary commands via a web shell. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-4521.yaml POC Details
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III. Intelligence Information for CVE-2023-4521

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Vendor Advisories for CVE-2023-4521 (1)

Same Patch Batch · Unknown · 2023-09-25 · 13 CVEs total

CVE-2023-4490 WP Job Portal < 2.0.6 - Unauthenticated SQLi
CVE-2023-4300 Import XML and RSS Feeds < 2.1.4 - Admin+ Arbitrary File Upload
CVE-2023-3226 Popup Builder < 4.2.0 - Admin+ Stored Cross-Site Scripting
CVE-2023-4281 Activity Log < 2.8.8 - IP Spoofing
CVE-2023-4238 Prevent files / folders access < 2.5.2 - Admin+ Arbitrary File Upload
CVE-2023-4631 DoLogin Security < 3.7 - IP Spoofing
CVE-2023-4502 Translate WordPress with GTranslate < 3.0.4 - Admin+ Stored XSS
CVE-2023-4148 Ditty < 3.1.25 - Reflected XSS
CVE-2023-4549 DoLogin Security < 3.7 - Unauthenticated Stored Cross-Site Scripting
CVE-2023-3664 FileOrganizer <= 1.0.2 - Admin+ Arbitrary File Access
CVE-2023-3547 All in One B2B for WooCommerce <= 1.0.3 - Multiple CSRF
CVE-2023-4476 Locatoraid Store Locator < 3.9.24 - Reflected XSS

IV. Related Vulnerabilities

Same product: Import XML and RSS Feeds
Same vendor: Unknown

V. Comments for CVE-2023-4521

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