Referrer Detector <= 4.2.1.0 - PHP Object Injection

9.8
Deserialization of Untrusted Data
CVSS 9.8 (Critical)
Publicly Published April 27, 2017
Last Updated January 22, 2024

Description

The Referrer Detector plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 4.2.1.0 via deserialization of untrusted input. This allows attackers to inject a PHP Object. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or execute code.

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Vulnerability Details for Referrer Detector

Software Type Plugin
Software Slug referrer-detector (view on wordpress.org)
Patched? No
Remediation No known patch available. Please review the vulnerability's details in depth and employ mitigations based on your organization's risk tolerance. It may be best to uninstall the affected software and find a replacement.
Affected Version
  • <= 4.2.1.0

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