Editor Privilege Escalation in FluentCRM Pro

Executive Summary

CVE-2026-78271 is a privilege escalation vulnerability in the WordPress FluentCRM Pro plugin versions up to 3.1.12. It allows attackers with low-privileged accounts to gain higher access levels, potentially taking full control of the website.

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Detection Guidance

Check if your FluentCRM Pro plugin version is 3.1.12 or lower. Use commands like 'wp plugin list' in WordPress CLI or inspect the plugin files in /wp-content/plugins/fluentcrm-pro/. Look for unauthorized privilege changes in user logs or audit trails.

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Impact Analysis

Attackers could exploit this to gain full website control, steal data, or perform unauthorized actions. The CVSS score of 7.2 indicates a moderate to high risk of exploitation, especially in widespread attacks targeting many sites.

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Compliance Impact

This vulnerability could lead to unauthorized access to sensitive data, which may violate compliance requirements under GDPR and HIPAA. Unauthorized privilege escalation may result in data breaches, exposing personal or health information and failing to meet regulatory security standards.

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Mitigation Strategies

Update FluentCRM Pro to version 3.1.13 immediately. If updating is not possible, apply Patchstack's mitigation rule to block attacks until the update is applied. Review and restrict low-privileged user permissions temporarily.

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