WordPress Spare Theme PHP Object Injection Vulnerability

Vulnerability

A deserialization vulnerability allowing object injection has been identified in the WordPress Spare theme, affecting versions through 1.7. This vulnerability could lead to various types of code injection, including SQL injection, path traversal, and denial-of-service, especially if a suitable property-oriented programming chain is available.

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, and more, provided a proper object injection chain is present.

Remediation

Users of the WordPress Spare theme are advised to update to a version later than 1.7. For those unable to update immediately, Patchstack offers a virtual patch that blocks attacks targeting this vulnerability.

Added: Jun 17, 2025, 5:40 PM
Updated: Jun 17, 2025, 5:40 PM

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
7.5
exploitability
7.4
remediation
0.0
relevance
0.2
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.