What’s Vulnerable › Vulnerabilities

CVE-2023-1430: FluentCRM - Marketing Automation For WordPress <= 2.8.01 - Insufficient Use of Hash as Authorization Control

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-06-09 · updated 2026-06-17
• Weakness: CWE-759

Description

The FluentCRM - Marketing Automation For WordPress plugin for WordPress is vulnerable to unauthorized modification of data in versions up to, and including, 2.8.01 due to the use of an MD5 hash without a salt to control subscriptions. This makes it possible for unauthenticated attackers to unsubscribe users from lists and manage subscriptions, granted they gain access to any targeted subscribers email address.

Affected products

• techjewel FluentCRM – Email Newsletter, Automation, Email Marketing, Email Campaigns, Optins, Leads, and CRM Solution: through 2.7.40

References

• https://github.com/karlemilnikka/CVE-2023-1430
• https://plugins.trac.wordpress.org/changeset/2899218/fluent-crm/tags/2.8.0/app/Hooks/Handlers/ExternalPages.php?old=2873074&old_path=fluent-crm%2Ftags%2F2.7.40%2Fapp%2FHooks%2FHandlers%2FExternalPages.php
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2924787%40fluent-crm&new=2924787%40fluent-crm&sfp_email=&sfph_mail=
• https://www.wordfence.com/threat-intel/vulnerabilities/id/de6da87e-8f7d-4120-8a1b-390ef7733d84?source=cve
• https://plugins.trac.wordpress.org/changeset/2899218/fluent-crm/tags/2.8.0/app/Hooks/Handlers/ExternalPages.php?old=2873074&old_path=fluent-crm%2Ftags%2F2.7.40%2Fapp%2FHooks%2FHandlers%2FExternalPages.php
• https://www.wordfence.com/threat-intel/vulnerabilities/id/de6da87e-8f7d-4120-8a1b-390ef7733d84?source=cve

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