Unauthenticated PHP Object Injection in FunnelKit Automations by FunnelKit
CVE-2026-39738

9.8CRITICAL

Key Information:

Vendor

WordPress
Status
Funnelkit Automations
Vendor
CVE Published:
30 October 2026

What is CVE-2026-39738?

The FunnelKit Automations plugin prior to version 3.8.6.1 is susceptible to an unauthenticated PHP Object Injection vulnerability. This can allow attackers to exploit the plugin by injecting malicious PHP objects, leading to potential unauthorized access and execution of arbitrary code. Users of this plugin should immediately assess their installed version and take necessary steps to mitigate the risk by updating to the latest version or applying relevant security patches.

Affected Version(s)

FunnelKit Automations <= 3.8.6.1

References

https://patchstack.com/database/wordpress/plugin/wp-marke...
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

Dexx-tech | Patchstack Bug Bounty Program
.