Unauthenticated PHP Object Injection in AI ANN <= 1.29.0

Executive Summary

This is an unauthenticated PHP Object Injection vulnerability in the AI ANN WordPress theme versions 1.29.0 and below. It allows attackers to inject malicious PHP objects without authentication, 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 for the presence of the AI ANN Theme version 1.29.0 or below. Inspect your WordPress installation for the theme in the /wp-content/themes/ directory. Look for the theme folder named 'ann' or similar. No specific commands are provided in the context, but monitoring for unusual activity or unauthorized changes in theme files may help.

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Impact Analysis

This vulnerability can allow attackers to execute arbitrary code, manipulate databases, access sensitive files, or disrupt services on your website. Since it is unauthenticated, attackers can exploit it remotely without needing user credentials.

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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. Organizations may face legal penalties, reputational damage, and loss of compliance certifications if exploited.

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Mitigation Strategies

Immediately update the AI ANN Theme to the latest version if available. If no patch exists, remove or disable the theme entirely. Apply Patchstack's temporary mitigation rule to block attacks. Contact your hosting provider or web developer for assistance. Monitor your system for signs of compromise.

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