Unauthenticated PHP Object Injection in Integration for ActiveCampaign and Contact Form 7 by PatchStack
CVE-2026-9691

9.8CRITICAL

Key Information:

Badges

๐Ÿ‘พ Exploit Exists๐ŸŸก Public PoC

What is CVE-2026-9691?

The Integration for ActiveCampaign and Contact Form 7, along with its related plugins WPForms, Elementor, and Ninja Forms, are susceptible to an unauthenticated PHP Object Injection vulnerability. This flaw allows attackers to inject arbitrary PHP objects, potentially leading to unauthorized access or manipulation of data. Users running versions 1.1.1 or lower should apply security patches immediately to safeguard their applications from exploitation.

Affected Version(s)

Integration for ActiveCampaign and Contact Form 7, WPForms, Elementor, Ninja Forms <= 1.1.1

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

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

  • ๐ŸŸก

    Public PoC available

  • ๐Ÿ‘พ

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Frissi0n | Patchstack Bug Bounty Program
.