Unauthenticated PHP Object Injection in Agora

Executive Summary

This is an unauthenticated PHP Object Injection vulnerability affecting WordPress Agora Theme versions 1.9 and below. It allows attackers to inject malicious objects into the application, potentially leading to code execution, SQL injection, or other attacks if a suitable POP chain exists.

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Detection Guidance

Detecting this vulnerability requires checking if the WordPress Agora Theme version 1.9 or below is installed. Review your WordPress admin panel under Appearance > Themes to confirm the version. Additionally, monitor network traffic for unusual requests targeting the theme's PHP files, especially those that may indicate code injection attempts.

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Impact Analysis

An attacker could exploit this to execute arbitrary code, steal data, modify databases, or disrupt services. The high CVSS score of 9.8 indicates critical risk, and mass-exploit campaigns are expected. Immediate mitigation is required as no official patch exists yet.

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Compliance Impact

This vulnerability could lead to unauthorized data access or modification, violating GDPR (data protection) and HIPAA (health data security) requirements. Non-compliance may result in legal penalties, fines, or reputational damage due to potential breaches.

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Mitigation Strategies

Immediately update the Agora Theme to the latest version if available. If no patch exists, apply Patchstack's mitigation rule to block attacks. Consider temporarily disabling the theme or replacing it with a secure alternative. Consult your hosting provider or a developer for assistance.

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