Deserialization of Untrusted Data in Camelia

Executive Summary

This vulnerability is a Deserialization of Untrusted Data flaw in the Camelia theme by ThemeREX Group. It allows Object Injection, meaning attackers can manipulate serialized data to execute harmful actions on the server. The issue affects versions up to 1.2.15.

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Detection Guidance

Detecting this vulnerability requires checking if the Camelia theme version 1.2.15 or below is installed on your WordPress site. Inspect the theme directory for the Camelia folder and verify the version in the style.css file. Use commands like 'grep -r "Camelia" /path/to/wordpress/wp-content/themes/' or 'cat /path/to/wordpress/wp-content/themes/camelia/style.css | grep Version' to check the version.

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Impact Analysis

Attackers can exploit this to manipulate site data and execute harmful actions on the server. The high CVSS score of 9.8 indicates it is highly dangerous and likely to be targeted in mass campaigns against thousands of websites.

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Compliance Impact

This vulnerability could lead to unauthorized data access or manipulation, potentially violating GDPR or HIPAA requirements for data protection and integrity. Unpatched systems may fail compliance audits due to inadequate security controls.

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Mitigation Strategies

Immediately apply the mitigation rule provided by Patchstack to block attacks. Update the Camelia theme to the latest version if available. If no patch exists, contact your hosting provider or developer for assistance. Disable the theme temporarily if updates are not possible.

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