Subscriber PHP Object Injection in Angio <= 1.1.1

Executive Summary

This is a PHP Object Injection vulnerability in the Angio WordPress theme versions 1.1.1 and below. It allows attackers to inject malicious PHP objects into the application, potentially leading to unauthorized data manipulation or server-side code execution. The flaw has a high CVSS score of 8.8, indicating significant risk.

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Detection Guidance

Detecting this PHP Object Injection vulnerability requires checking for vulnerable Angio theme versions (1.1.1 or below) in WordPress installations. Inspect theme files for suspicious code patterns or unauthorized modifications. Use commands like 'grep -r "Angio" /var/www/html' to locate the theme and verify its version. Check server logs for unusual activity or requests targeting theme files.

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Impact Analysis

An attacker could exploit this to take control of your WordPress site, steal sensitive data, or perform harmful actions on the server. Since there is no official patch, unpatched sites remain at risk of mass-exploit campaigns targeting many websites.

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Compliance Impact

This vulnerability could lead to data breaches, violating GDPR and HIPAA requirements for data protection. Unauthorized access to sensitive data may result in legal penalties, reputational damage, and loss of compliance certifications.

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Mitigation Strategies

Immediately apply Patchstack's mitigation rule to block attacks until an official patch is released. Disable the Angio theme if possible or replace it with a secure alternative. Monitor server logs for exploitation attempts and restrict access to theme files. Consider updating WordPress core and other plugins to reduce attack surfaces.

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