CVE-2026-66569: WordPress Kicker theme <= 2.2.1 - PHP Object Injection vulnerability

Q: Who can exploit this issue?

The vulnerability is unauthenticated and remotely reachable, so an attacker does not need a WordPress account or prior access to target an affected site.

Q: What versions are affected?

Kicker theme versions 2.2.1 and earlier are affected.

Q: What is the potential impact of successful exploitation?

The reported severity is critical with high impacts to confidentiality, integrity, and availability. Successful exploitation could therefore expose data, allow unauthorized modification, or disrupt the site.

Published Oct 10, 2026

Updated

Unauthenticated PHP Object Injection in Kicker <= 2.2.1 versions.

Affected Software

1 affected component

WordPress Kicker theme<=2.2.1

Event History

Oct 10, 2026

CVE Published

via MITRE·07:36 PM

Data Sourced

via MITRE·07:36 PM

DescriptionSeverityWeakness

Data Sourced

via NVD·08:16 PM

DescriptionSeverityWeakness

Frequently Asked Questions

Who can exploit this issue?

The vulnerability is unauthenticated and remotely reachable, so an attacker does not need a WordPress account or prior access to target an affected site.

What versions are affected?

Kicker theme versions 2.2.1 and earlier are affected.

What is the potential impact of successful exploitation?

The reported severity is critical with high impacts to confidentiality, integrity, and availability. Successful exploitation could therefore expose data, allow unauthorized modification, or disrupt the site.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

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