BoldThemes Nestin WordPress Theme PHP Object Injection Vulnerability

Vulnerability

A deserialization vulnerability allowing object injection has been identified in the BoldThemes Nestin WordPress theme, affecting versions prior to 1.2.6. 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 property-oriented programming chain is present.

Remediation

Users are advised to update to version 1.2.6 or later. Patchstack has also issued a mitigation rule to block attacks until the update is applied.

Added: Feb 20, 2026, 8:08 PM
Updated: Feb 20, 2026, 8:08 PM

Vulnerability Rating

Custom Algorithm
spread
0.0
impact
0.6
exploitability
6.8
remediation
0.0
relevance
3.2
threat
0.0
urgency
2.9
incentive
4.2

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