PHP Object Injection Vulnerability in Kicker Theme by Kicker
CVE-2026-66569

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
Kicker
Vendor
CVE Published:
10 October 2026

What is CVE-2026-66569?

A vulnerability exists in versions of the Kicker theme up to 2.2.1, where unauthenticated PHP object injection could allow attackers to exploit weaknesses in the application, potentially leading to unauthorized actions or data exposure.

Affected Version(s)

Kicker <= 2.2.1

References

https://patchstack.com/database/wordpress/theme/kicker/vu...
vdb-entry

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

João Pedro S Alcântara (Kinorth) | Patchstack Bug Bounty Program
.