CVE-2026-49104 CRITICAL

CVE-2026-49104: WordPress Integration for Keap/infusionsoft and Contact Form 7, WPForms, Elementor, Formidable, Ninja Forms plugin <= 1.2.1 - PHP Object Injection vulnerability

Vendor Crm Perks
Product Integration for Keap/infusionsoft and Contact Form 7, WPForms, Elementor, Formidable, Ninja Forms
Weakness CWE-502 · Unsafe deserialization
Published June 15, 2026
Last update June 16, 2026
View on NVD All CVEs

CVSS base score

9.8/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Unauthenticated PHP Object Injection in Integration for Keap/infusionsoft and Contact Form 7, WPForms, Elementor, Formidable, Ninja Forms <= 1.2.1 versions.

Explanation of Vulnerability in Simple Terms

02Summary

The CRM Perks integration plugin for Keap/Infusionsoft and contact form builders contains a deserialization vulnerability in versions up to 1.2.1. An attacker can send a specially crafted request over the network to deserialize untrusted data, leading to remote code execution on the affected WordPress site. No authentication or user interaction is required to exploit this vulnerability.

What an attacker can do

03Attacker Capabilities

Run arbitrary PHP code on the site and take complete control of it.

Potential impact on your site

04Site Impact

Complete site compromise: attacker can steal data, modify content, create admin accounts, or inject malware.

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user action required.

Key dates

06Disclosure timeline

June 15, 2026 CVE published
June 16, 2026 Record updated

Related vulnerabilities

08Related CVE

CVE-2026-42687 WordPress EventPrime plugin <= 4.3.2.1 - PHP Object Injection vulnerability CVE-2026-39434 WordPress CTX Feed plugin <= 6.6.26 - PHP Object Injection vulnerability CVE-2026-27060 WordPress ARMember Premium plugin <= 7.0 - PHP Object Injection vulnerability CVE-2026-49109 WordPress Integration for Salesforce and Contact Form 7, WPForms, Elementor, Formidable, Ninja Forms plugin <= 1.4.3 - PHP Object Injection vulnerability CVE-2026-39498 WordPress YayMail plugin <= 4.3.3 - PHP Object Injection vulnerability