Formidable Forms <= 6.1.2 - Unauthenticated PHP Object Injection

9.8
Deserialization of Untrusted Data
CVE CVE-2023-1405
CVSS 9.8 (Critical)
Publicly Published April 6, 2023
Last Updated April 12, 2023
Researcher Nguyen Huu Do

Description

The Formidable Forms plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 6.1.2 via deserialization of untrusted input from form submissions. This allows unauthenticated attackers to inject a PHP Object. No POP chain is present in the vulnerable plugin. 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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1 affected software package

Software Type Plugin
Software Slug formidable (view on wordpress.org)
Patched? Yes
Remediation Update to version 6.2, or a newer patched version
Affected Version
  • <= 6.1.2
Patched Version
  • 6.2

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