CVE-2026-49765

WordPress Integration for Mailchimp and Contact Form 7, WPForms, Elementor, Ninja Forms plugin <= 1.1.8 - PHP Object Injection vulnerability

State: Published
Severity: 9.8 Critical
Published: Jun 15, 2026
Updated: Jun 16, 2026
Reserved: Jun 1, 2026

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Description

Unauthenticated PHP Object Injection in Integration for Mailchimp and Contact Form 7, WPForms, Elementor, Ninja Forms <= 1.1.8 versions.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	Patchstack

Weaknesses

CWE-502 Deserialization of Untrusted Data

Affected Products

Product	Versions
Integration for Mailchimp and Contact Form 7, WPForms, Elementor, Ninja FormsCRM Perks	1.1.8 and earlierAffectedfrom 1.1.9Not affected

References

https://patchstack.com/database/wordpress/plugin/cf7-mailchimp/vulnerability/wordpress-integration-for-mailchimp-and-contact-form-7-wpforms-elementor-ninja-forms-plugin-1-1-8-php-object-injection-vulnerability?_s_id=cvevdb-entry

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