PHP Object Injection in Icegram <= 3.1.31

Executive Summary

This is a PHP Object Injection vulnerability in the Icegram WordPress plugin versions 3.1.31 and below. It allows attackers to manipulate data processing on the site and potentially execute harmful actions on the server by injecting malicious PHP objects.

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Detection Guidance

Check if the Icegram plugin version is 3.1.31 or below. Use commands like 'wp plugin list' in WordPress CLI or inspect the plugin files in /wp-content/plugins/icegram/. Look for suspicious activity such as unexpected data processing or server commands.

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Impact Analysis

Attackers could exploit this to take control of your website, steal sensitive data, or use it as a launchpad for further attacks. The high CVSS score (8.8) indicates significant risk, and mass exploitation campaigns are expected.

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Compliance Impact

This vulnerability could lead to unauthorized access to personal data, violating GDPR and HIPAA requirements for data protection. Non-compliance may result in legal penalties and reputational damage.

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Mitigation Strategies

Update the Icegram plugin to version 3.1.44 or later immediately. Apply Patchstack's mitigation rule to block attacks until the update is complete. Remove or disable the plugin if updating is not possible.

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