PHP Object Injection Vulnerability in 10Web Booster by WordPress
CVE-2026-94121

8.8HIGH

Key Information:

Vendor

WordPress
Status
10web Booster – Website Speed Optimization, Cache & Page Speed Optimizer
Vendor
CVE Published:
30 September 2026

What is CVE-2026-94121?

A PHP Object Injection vulnerability has been identified in the 10Web Booster plugin for WordPress, specifically in versions up to 2.33.6. This vulnerability allows an attacker to exploit a flaw in the handling of serialized PHP objects, potentially leading to remote code execution. The risk is particularly concerning for users implementing this optimization plugin, as it may enable unauthorized actions on their websites. It is crucial for website administrators to update to the latest version and apply security best practices to mitigate potential threats.

Affected Version(s)

10Web Booster – Website speed optimization, Cache & Page Speed optimizer <= 2.33.6

References

https://patchstack.com/database/wordpress/plugin/tenweb-s...
vdb-entry

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Ananda Dhakal (Patchstack) | Patchstack Bug Bounty Program
.