Executive Summary

This vulnerability is a Deserialization of Untrusted Data issue in the NooTheme Jobica Core component called jobica-core. It allows an attacker to perform Object Injection by exploiting the way the software deserializes data that has not been properly validated or sanitized.

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Impact Analysis

The vulnerability can allow an attacker to inject malicious objects during the deserialization process, potentially leading to unauthorized code execution, data manipulation, or other malicious actions within the affected application.

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Compliance Impact

The vulnerability in the Jobica Core Plugin allows PHP Object Injection, which can lead to remote code execution, SQL injection, path traversal, denial of service, and other critical impacts. Such security weaknesses can result in unauthorized access to sensitive data or disruption of services.

Because of these risks, organizations using affected versions of the plugin may face challenges in maintaining compliance with common standards and regulations like GDPR and HIPAA, which require protection of personal and sensitive data against unauthorized access and breaches.

Immediate mitigation and updating to the patched version 1.4.2 is strongly advised to reduce the risk of exploitation and help maintain compliance with these regulations.

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Detection Guidance

The vulnerability affects WordPress sites using the Jobica Core Plugin version 1.4.1 or earlier. Detection involves identifying if your system is running a vulnerable version of this plugin.

• Check the installed version of the Jobica Core Plugin in your WordPress installation.
• Use WordPress CLI commands such as `wp plugin list` to list installed plugins and their versions.
• Monitor web server logs for suspicious activity indicative of PHP Object Injection attempts, such as unusual serialized PHP objects in POST requests.
• Apply network intrusion detection system (NIDS) rules or web application firewall (WAF) rules that detect exploitation attempts targeting this vulnerability.

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Mitigation Strategies

Immediate mitigation involves updating the Jobica Core Plugin to version 1.4.2 or later, which contains the patch for this vulnerability.

• Update the Jobica Core Plugin to version 1.4.2 or above as soon as possible.
• If immediate update is not possible, apply automatic mitigation rules provided by Patchstack to block exploitation attempts.
• Use auto-update features for vulnerable plugins to ensure rapid protection.
• Seek assistance from your hosting provider or developers if you cannot update the plugin yourself.

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