WordPress Fluent Forms plugin <= 6.2.11 - Unauthenticated Stored Cross-Site Scripting via Notification Smartcode Values vulnerability

Unauthenticated Stored Cross-Site Scripting via Notification Smartcode Values vulnerability discovered by Adrien Brunner in WordPress Plugin FluentForm versions = 6.2.11...

Contact Form Plugin by Fluent Forms < 5.1.17 - Unauthenticated Limited Privilege Escalation

The plugin is vulnerable to privilege escalation due to a missing capability check on the /wp-json/fluentform/v1/managers REST API endpoint. This makes it possible for unauthenticated attackers to grant users with Fluent Form management permissions which gives them access to all of the plugin's...

CVE-2026-73532

Fluent Forms Pro 6.2.7 contains an embedded malicious code vulnerability introduced via a tampered plugin build served through a decommissioned update server. The tampered build introduced a rogue PHP file libs/class-license-sync.php, loaded via a requireonce directive added to fluentformpro.php,...

CVE-2026-73532

Fluent Forms Pro 6.2.7 contains an embedded malicious code vulnerability introduced via a tampered plugin build served through a decommissioned update server. The tampered build introduced a rogue PHP file libs/class-license-sync.php, loaded via a requireonce directive added to fluentformpro.php,...

EUVD-2026-58113

Fluent Forms Pro 6.2.7 contains an embedded malicious code vulnerability introduced via a tampered plugin build served through a decommissioned update server. The tampered build introduced a rogue PHP file libs/class-license-sync.php, loaded via a requireonce directive added to fluentformpro.php,...

CVE-2026-73532

CVE-2026-73532 affects Fluent Forms Pro 6.2.7. A tampered plugin build from a decommissioned update server inserted a rogue file (libs/class-license-sync.php) loaded via require_once in fluentformpro.php, creating a backdoor REST API and persisting PHP files in mu-plugins and uploads. It also ins...

CVE-2026-73532 Fluent Forms Pro 6.2.7 Embedded Malicious Code via Tampered Plugin Build

Fluent Forms Pro 6.2.7 contains an embedded malicious code vulnerability introduced via a tampered plugin build served through a decommissioned update server. The tampered build introduced a rogue PHP file libs/class-license-sync.php, loaded via a requireonce directive added to fluentformpro.php,...

CVE-2026-18146

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Notification Smartcode Values in all versions up to, and including, 6.2.11 due to insufficient input sanitization and output escaping...

CVE-2026-18146

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Notification Smartcode Values in all versions up to, and including, 6.2.11 due to insufficient input sanitization and output escaping...

CVE-2026-18146 Fluent Forms <= 6.2.11 - Unauthenticated Stored Cross-Site Scripting via Notification Smartcode Values

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Notification Smartcode Values in all versions up to, and including, 6.2.11 due to insufficient input sanitization and output escaping...

CVE-2026-18146

The CVE-2026-18146 entry concerns the Fluent Forms WordPress plugin (versions ≤ 6.2.11). It describes a Stored Cross‑Site Scripting vulnerability caused by insufficient input sanitization and output escaping in Notification Smartcode Values, enabling unauthenticated attackers to inject scripts th...

EUVD-2026-57736

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Notification Smartcode Values in all versions up to, and including, 6.2.11 due to insufficient input sanitization and output escaping...

WordPress Fluent Forms Pro Add On Pack plugin 6.2.7 - Backdoor vulnerability

Backdoor vulnerability discovered by ? in WordPress Plugin Fluent Forms Pro Add On Pack versions 6.2.7...

CVE-2026-17571

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via 'param' in all versions up to, and including, 6.2.8 due to insufficient input sanitization and output escaping. This makes it possibl...

CVE-2026-17571 Fluent Forms <= 6.2.8 - Reflected Cross-Site Scripting via 'param'

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via 'param' in all versions up to, and including, 6.2.8 due to insufficient input sanitization and output escaping. This makes it possibl...

CVE-2026-17571

The CVE-2026-17571 entry covers the Fluent Forms WordPress plugin (versions up to 6.2.8). The vulnerability is a Reflected Cross-Site Scripting flaw via the ‘param’ parameter caused by insufficient input sanitization and output escaping. It could allow unauthenticated attackers to craft pages tha...

EUVD-2026-51790

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via 'param' in all versions up to, and including, 6.2.8 due to insufficient input sanitization and output escaping. This makes it possibl...

CVE-2026-17571

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via 'param' in all versions up to, and including, 6.2.8 due to insufficient input sanitization and output escaping. This makes it possibl...

CVE-2026-17567

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 6.2.8 via the 'transaction' parameter due to missing validation on a user controlled key. This...

CVE-2026-17567 Fluent Forms <= 6.2.8 - Unauthenticated Sensitive Information Exposure via Insecure Direct Object Reference and Weak Transaction Hash in 'transaction' Parameter

The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 6.2.8 via the 'transaction' parameter due to missing validation on a user controlled key. This...