What the vulnerability does
01Description
The Vimeography: Vimeo Video Gallery WordPress Plugin plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 2.3.2 via deserialization of untrusted input via the vimeography_duplicate_gallery_serialized in the duplicate_gallery function. This makes it possible for authenticated attackers attackers, with contributor access or higher, 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.
Explanation of Vulnerability in Simple Terms
02Summary
The Vimeography plugin for WordPress contains a deserialization vulnerability in versions up to 2.3.2. An authenticated attacker with low privileges can send a specially crafted request to deserialize untrusted data, leading to arbitrary code execution on the site. This allows complete compromise of the WordPress installation, including data theft and site takeover.
What an attacker can do
03Attacker Capabilities
Run arbitrary PHP code on the site and take full control of WordPress.
Potential impact on your site
04Site Impact
Complete site compromise: attackers can steal data, modify content, create admin accounts, or inject malware.
Conditions required to exploit
05Prerequisites
Attacker must have a low-privilege WordPress account (subscriber or contributor level or higher).
Key dates
06Disclosure timeline
March 5, 2024
CVE published
April 8, 2026
Record updated
