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CVE-2023-52200: Cross-Site Request Forgery (CSRF) Leading to PHP Object Injection in ARMember WordPress Plugin

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Vulnerability Summary

  • CVE ID: CVE-2023-52200​
  • Severity: Critical (CVSS 3.1 Score: 9.6)​Patchstack
  • Attack Vector: Network​
  • Privileges Required: None​
  • User Interaction: Required​
  • Impact: Remote Code Execution (RCE)​

Affected Products

The vulnerability affects the ARMember – Membership Plugin, Content Restriction, Member Levels, User Profile & User Signup plugin for WordPress:​NVD+1Patchstack+1

ProductAffected Versions
ARMember PluginVersions up to and including 4.0.22​PatchstackNVD+1Patchstack+1

How the Exploit Works

CVE-2023-52200 is a combined Cross-Site Request Forgery (CSRF) and PHP Object Injection vulnerability. An attacker can exploit this by crafting a malicious request that, when executed by an authenticated administrator, can lead to the deserialization of untrusted data. This deserialization can result in arbitrary code execution on the server. ​Patchstack

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Potential Risks

  • Execution of arbitrary PHP code on the server​
  • Unauthorized access to sensitive data​
  • Complete compromise of the WordPress site​
  • Potential lateral movement within the hosting environment​

Mitigation Recommendations

  • Update the Plugin: Upgrade to ARMember version 4.0.23 or later, where this vulnerability has been addressed. ​
  • Implement CSRF Protections: Ensure that CSRF tokens are validated for all state-changing requests.​
  • Restrict Administrator Actions: Limit the exposure of administrative functions and educate administrators to avoid executing unsolicited requests.​
  • Regular Security Audits: Conduct periodic security assessments to detect and remediate vulnerabilities in your WordPress environment.​

Conclusion

CVE-2023-52200 is a critical vulnerability in the ARMember WordPress plugin that combines CSRF with PHP Object Injection, potentially allowing attackers to execute arbitrary code. Immediate action is recommended to update the plugin and implement additional security measures to protect your WordPress site.​Patchstack

References

Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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