Unauthenticated PHP Object Injection in ShiftCV

Executive Summary

This is an unauthenticated PHP Object Injection vulnerability affecting ShiftCV versions 3.0.14 and below. It allows remote attackers to inject malicious PHP objects without authentication, potentially leading to code execution or other attacks.

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Detection Guidance

Detecting PHP Object Injection in ShiftCV requires checking for vulnerable versions and monitoring for suspicious activity. Inspect your WordPress site for ShiftCV theme versions 3.0.14 or below. Use commands like 'grep -r "ShiftCV" /path/to/wordpress/wp-content/themes/' to locate the theme. Check server logs for unusual POST requests or serialized data in input fields.

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Impact Analysis

An attacker could exploit this to execute arbitrary code on your server, steal sensitive data, or take control of your website. Since it requires no authentication, any unpatched version is at high risk.

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Compliance Impact

This vulnerability could lead to unauthorized data access or breaches, violating GDPR (data protection) and HIPAA (health data privacy) requirements. Organizations must patch immediately to avoid compliance penalties.

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Mitigation Strategies

Update ShiftCV to the latest version (3.0.14 or higher) to patch the unauthenticated PHP Object Injection vulnerability. If an update is not available, consider disabling or removing the software until a patch is released.

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