Unauthenticated PHP Object Injection in FreightCo Theme by WordPress
CVE-2026-66650

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
Freightco
Vendor
CVE Published:
24 August 2026

What is CVE-2026-66650?

The FreightCo theme for WordPress has a security flaw allowing unauthenticated PHP object injection. This vulnerability affects versions 1.1.15 and below, enabling potential attackers to exploit the flaw and execute arbitrary code, potentially leading to a complete compromise of the affected website. Proper precautions and updates are essential to mitigate these risks.

Affected Version(s)

FreightCo <= 1.1.15

References

https://patchstack.com/database/wordpress/theme/freightco...
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

daroo | Patchstack Bug Bounty Program
.