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Threat Database
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Threat Entry
Updated 2026-06-17
Fluentform - Security Vulnerability (CVE-2025-13748)
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, 6.1.7 via the 'submission_id' parameter due to missing validation on a user controlled key within the confirmScaPayment() function. This makes it possible for unauthenticated attackers to mark arbitrary submissions as failed via crafted requests to the endpoint granted they can guess or enumerate a valid submission identifier.
PLUGIN
Fluentform
CVE-2025-13748
Risk Score
Threat Entry
Updated 2026-06-17
Fluentform - Remote Code Execution (CVE-2025-9260)
The Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder plugin for WordPress is vulnerable to PHP Object Injection in versions 5.1.16 to 6.1.1 via deserialization of untrusted input in the parseUserProperties function. This makes it possible for authenticated attackers, with Subscriber-level access and above, to inject a PHP Object. The additional presence of a POP chain allows attackers to read arbitrary files. If allow_url_include is enabled on the server, remote code execution is possible. While the vendor patched this issue in version 6.1.0, the patch caused…
PLUGIN
Fluentform
CVE-2025-9260
Risk Score
Threat Entry
Updated 2026-06-17
Fluentform - Cross-Site Scripting (XSS) (CVE-2025-3615)
The Fluent Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the form-submission.js script in all versions up to, and including, 6.0.2 due to insufficient input sanitization and output escaping. 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.
PLUGIN
Fluentform
CVE-2025-3615
Risk Score
Threat Entry
Updated 2026-06-17
Fluentform - Cross-Site Scripting (XSS) (CVE-2024-10646)
The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the form's subject parameter in all versions up to, and including, 5.2.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
PLUGIN
Fluentform
CVE-2024-10646
Risk Score
Threat Entry
Updated 2026-06-17
Fluentform - Broken Access Control (CVE-2023-41952)
Missing Authorization vulnerability in Contact Form - WPManageNinja LLC FluentForm allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects FluentForm: from n/a through 5.0.8.
PLUGIN
Fluentform
CVE-2023-41952
Risk Score
Threat Entry
Updated 2026-06-17
Fluentform - Cross-Site Scripting (XSS) (CVE-2024-9528)
The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via form label fields in all versions up to, and including, 5.1.19 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with access to edit forms (administrator by default), to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
PLUGIN
Fluentform
CVE-2024-9528
Risk Score
Threat Entry
Updated 2026-06-17
Fluentform - Security Vulnerability (CVE-2024-5053)
The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to unauthorized Malichimp API key update due to an insufficient capability check on the verifyRequest function in all versions up to, and including, 5.1.18. This makes it possible for Form Managers with a Subscriber-level access and above to modify the Mailchimp API key used for integration. At the same time, missing Mailchimp API key validation allows the redirect of the integration requests to the attacker-controlled server.
PLUGIN
Fluentform
CVE-2024-5053
Risk Score
Threat Entry
Updated 2026-06-17
Fluentform - Cross-Site Scripting (XSS) (CVE-2024-6703)
The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘description’ and 'btn_txt' parameters in all versions up to, and including, 5.1.19 due to insufficient input sanitization and output escaping. This makes it possible for attackers with the Form Manager permissions and Subscriber+ user role, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
PLUGIN
Fluentform
CVE-2024-6703
Risk Score
Threat Entry
Updated 2026-06-17
Fluentform - Cross-Site Scripting (XSS) (CVE-2024-6521)
The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via dropdown fields in all versions up to, and including, 5.1.19 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
PLUGIN
Fluentform
CVE-2024-6521
Risk Score
Threat Entry
Updated 2026-06-17
Fluentform - Cross-Site Scripting (XSS) (CVE-2024-6520)
The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via custom error message in all versions up to, and including, 5.1.19 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
PLUGIN
Fluentform
CVE-2024-6520
Risk Score
Threat Entry
Updated 2026-06-17
Fluentform - Cross-Site Scripting (XSS) (CVE-2024-6518)
The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via input fields in all versions up to, and including, 5.1.19 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
PLUGIN
Fluentform
CVE-2024-6518
Risk Score
Threat Entry
Updated 2026-06-17
Fluentform - PHP Object Injection (CVE-2024-4157)
The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 5.1.15 via deserialization of untrusted input in the extractDynamicValues function. This makes it possible for authenticated attackers, with contributor-level access and above, to inject a PHP Object. If a POP chain is present via an additional plugin or theme installed on the target system, it could allow the attacker to delete arbitrary files, retrieve sensitive data, or…
PLUGIN
Fluentform
CVE-2024-4157
Risk Score
Threat Entry
Updated 2026-06-17
Fluentform - Cross-Site Scripting (XSS) (CVE-2024-4709)
The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘subject’ parameter in versions up to, and including, 5.1.16 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level permissions and above, and access granted by an administrator, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
PLUGIN
Fluentform
CVE-2024-4709
Risk Score
Threat Entry
Updated 2026-06-17
Fluentform - Broken Access Control (CVE-2024-2782)
The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the /wp-json/fluentform/v1/global-settings REST API endpoint in all versions up to, and including, 5.1.16. This makes it possible for unauthenticated attackers to modify all of the plugin's settings.
PLUGIN
Fluentform
CVE-2024-2782
Risk Score
Threat Entry
Updated 2026-06-17
Fluentform - Privilege Escalation (CVE-2024-2771)
The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to privilege escalation due to a missing capability check on the /wp-json/fluentform/v1/managers REST API endpoint in all versions up to, and including, 5.1.16. 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 settings and features. This also makes it possible for unauthenticated attackers to delete manager accounts.
PLUGIN
Fluentform
CVE-2024-2771
Risk Score
Threat Entry
Updated 2026-06-17
Fluentform - Cross-Site Scripting (XSS) (CVE-2024-0618)
The Contact Form Plugin – Fastest Contact Form Builder Plugin for WordPress by Fluent Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via imported form titles in all versions up to, and including, 5.1.5 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
PLUGIN
Fluentform
CVE-2024-0618
Risk Score
Threat Entry
Updated 2026-06-17
Fluentform - Privilege Escalation (CVE-2021-34620)
The WP Fluent Forms plugin < 3.6.67 for WordPress is vulnerable to Cross-Site Request Forgery leading to stored Cross-Site Scripting and limited Privilege Escalation due to a missing nonce check in the access control function for administrative AJAX actions
PLUGIN
Fluentform
CVE-2021-34620
Risk Score