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CVE-2025-12935: FluentCRM - Marketing Automation For WordPress <= 2.9.84 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'fluentcrm_content' Shortcode

• Severity: medium (CVSS 6.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-11-21 · updated 2026-10-08
• Weakness: CWE-79

Description

The FluentCRM – Email Newsletter, Automation, Email Marketing, Email Campaigns, Optins, Leads, and CRM Solution plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'fluentcrm_content' shortcode in all versions up to, and including, 2.9.84 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• techjewel FluentCRM – Email Newsletter, Automation, Email Marketing, Email Campaigns, Optins, Leads, and CRM Solution: through 2.9.84

References

• https://plugins.trac.wordpress.org/browser/fluent-crm/tags/2.9.84/app/Hooks/Handlers/PrefFormHandler.php#L175
• https://plugins.trac.wordpress.org/browser/fluent-crm/tags/2.9.84/app/Hooks/actions.php#L172
• https://plugins.trac.wordpress.org/changeset/3399640/
• https://www.wordfence.com/threat-intel/vulnerabilities/id/7129e5cb-ce70-477a-a8f1-3acf152dfc21?source=cve

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