WordPress Employee Directory Plugin PHP Object Injection Vulnerability

Vulnerability

A deserialization vulnerability allowing PHP object injection has been identified in the Employee Directory – Staff Listing & Team Directory Plugin for WordPress, affecting versions through 4.5.3. This vulnerability could lead to various injection attacks, including code injection and SQL injection, among other potential impacts.

Impact

Exploitation of this vulnerability could allow for PHP object injection, which could be leveraged to execute code injection, SQL injection, path traversal, denial-of-service attacks, and more, provided a suitable property-oriented programming chain is available.

Remediation

Users of the Employee Directory – Staff Listing & Team Directory Plugin for WordPress are advised to update to version 4.5.4 or later, as Patchstack has issued a virtual patch that blocks attacks targeting this vulnerability until an official fix can be applied.

Added: Aug 28, 2025, 1:51 PM
Updated: Aug 28, 2025, 1:51 PM

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
7.5
exploitability
7.4
remediation
0.0
relevance
0.4
threat
0.0
urgency
2.9
incentive
5.8

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.