PatchSiren

PatchSiren cyber security CVE debrief

CVE-2026-49765 CRM Perks CVE debrief

A critical vulnerability was discovered in the Integration for Mailchimp and Contact Form 7, WPForms, Elementor, Ninja Forms plugin, versions <= 1.1.8. This vulnerability allows unauthenticated PHP object injection, posing a significant risk to affected systems.

Vendor
CRM Perks
Product
Integration for Mailchimp and Contact Form 7, WPForms, Elementor, Ninja Forms
CVSS
CRITICAL 9.8
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-15
Original CVE updated
2026-06-15
Advisory published
2026-06-15
Advisory updated
2026-06-15

Who should care

Administrators and users of WordPress sites utilizing the Integration for Mailchimp and Contact Form 7, WPForms, Elementor, Ninja Forms plugin, versions <= 1.1.8, should be aware of this vulnerability and take immediate action to mitigate potential risks.

Technical summary

The vulnerability, tracked as CVE-2026-49765, has a CVSS score of 9.8, indicating critical severity. It allows unauthenticated attackers to inject PHP objects, potentially leading to arbitrary code execution, information disclosure, and other malicious activities.

Defensive priority

High

Recommended defensive actions

  • Update the Integration for Mailchimp and Contact Form 7, WPForms, Elementor, Ninja Forms plugin to a version greater than 1.1.8.
  • Review and monitor your WordPress site for suspicious activity.
  • Consider implementing additional security measures, such as firewall rules and intrusion detection systems.

Evidence notes

The vulnerability was reported by Patchstack and is documented in the NVD database.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-49765 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-49765

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-49765 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-49765

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.