CVE-2023-1405

CVE-2023-1405 Formidable Forms = 6.1.2 - Unauthenticated PHP Object Injection Description: The Formidable Forms plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 6.1.2 via deserialization of untrusted input from form submissions. This allows...

Formidable Form Builder < 2.05.03 - Unauthenticated Information Disclosure

The Formidable Form Builder plugin for WordPress is vulnerable to Sensitive Data Exposure in versions up to, and including, 2.05.03 via the frmformspreview AJAX action. This makes it possible for unauthenticated attackers to export all of the form entries for a given form. id: CVE-2017-20194 info...

Formidable Forms < 2.05.02 - Cross-Site Scripting

Formidable Form Builder for WordPress versions before 2.05.03 contains a stored cross-site scripting caused by insufficient input sanitization and output escaping in form parameters like 'afterhtml', letting unauthenticated attackers inject and execute arbitrary scripts in victims' browsers id:...

CVE-2022-29622

CVE-2022–29622: Invulnerability Analysis This codebase was created to help security professionals and developers to understand why I think Formidable was not vulnerable to CVE-2022-29622. I have written up my analysis here: CVE-2022–29622: Invulnerability Analysis As some did not understand it, I...

CVE-2023-2877

CVE-2023-2877 Formidable Forms 6.3.1 - Subscriber+ Remote Code Execution Usage usage: CVE-2023-2877.py -h -w URL -u USERNAME -p PASSWORD -pl PLUGIN -c CMD CVE-2023-2877 - Formidable Forms 6.3.1 - Subscriber+ Remote Code Execution Script options: -h, --help show this help message and exit -w URL,...

CVE-2021-24884

CVE-2021-24884 XSS2RCE in Formidable 4.09.04 Formidable 4.09.04 allowed to inject certain HTML Tags like ,,, and . This could allow an unauthenticated, remote attacker to exploit a HTML-injection by injecting a malicous link. The HTML-injection may trick authenticated users to follow the link. If...

CVE-2017-20192-formidable-forms

CVE-2017-20192 — Formidable Forms WordPress — Vulnerable Docker Lab Reproducible Docker lab for CVE-2017-20192 Formidable Forms 2.05.03 stored XSS. Quickstart docker compose up -d --build Target: http://127.0.0.1:18080 Validate lab helper This helper script: submits a crafted entry unauthenticate...

CVE-2026-19857

The Formidable Forms WordPress plugin before 6.35 does not prevent a request-derived value from reaching the WordPress shortcode parser when it substitutes a supported token into a form's custom HTML, allowing unauthenticated visitors to have arbitrary shortcodes, with attacker-chosen attributes,...

CVE-2026-19857 Formidable Forms < 6.35 - Unauthenticated Arbitrary Shortcode Execution via [entry_key] Custom HTML Token

The Formidable Forms WordPress plugin before 6.35 does not prevent a request-derived value from reaching the WordPress shortcode parser when it substitutes a supported token into a form's custom HTML, allowing unauthenticated visitors to have arbitrary shortcodes, with attacker-chosen attributes,...

WordPress Formidable Forms plugin 6.34 - Unauthenticated Arbitrary Shortcode Execution vulnerability

Unauthenticated Arbitrary Shortcode Execution vulnerability discovered by Jakub Herman in WordPress Plugin Formidable Forms versions 6.34...

EUVD-2026-80218

The Formidable Forms WordPress plugin before 6.35 does not prevent a request-derived value from reaching the WordPress shortcode parser when it substitutes a supported token into a form's custom HTML, allowing unauthenticated visitors to have arbitrary shortcodes, with attacker-chosen attributes,...

CVE-2026-19857

The Formidable Forms WordPress plugin before version 6.35 is vulnerable to unauthenticated arbitrary shortcode execution . The root cause is that a request-derived value can reach the WordPress shortcode parser when the plugin substitutes the [entry_key] token into a form's custom HTML, allowing ...

CVE-2026-19857 Formidable Forms < 6.35 - Unauthenticated Arbitrary Shortcode Execution via [entry_key] Custom HTML Token

The Formidable Forms WordPress plugin before 6.35 does not prevent a request-derived value from reaching the WordPress shortcode parser when it substitutes a supported token into a form's custom HTML, allowing unauthenticated visitors to have arbitrary shortcodes, with attacker-chosen attributes,...

CVE-2026-85641

The Formidable Forms WordPress plugin before 6.35 does not restrict who can set the identifier recording which user last edited a form entry, and relies on that identifier when deciding whether to strip HTML from stored entry values, allowing unauthenticated visitors to have markup rendered in th...

EUVD-2026-80199

The Formidable Forms WordPress plugin before 6.35 does not restrict who can set the identifier recording which user last edited a form entry, and relies on that identifier when deciding whether to strip HTML from stored entry values, allowing unauthenticated visitors to have markup rendered in th...

CVE-2026-85641

The Formidable Forms WordPress plugin (versions before 6.35 ) is vulnerable to Unauthenticated Stored Content Injection via the updated_by parameter. The plugin fails to restrict who can set the identifier used to record which user last edited a form entry. Because the system relies on this ident...

CVE-2026-85641 Formidable Forms 6.34 - Unauthenticated Stored Content Injection via 'updated_by' Parameter

The Formidable Forms WordPress plugin before 6.35 does not restrict who can set the identifier recording which user last edited a form entry, and relies on that identifier when deciding whether to strip HTML from stored entry values, allowing unauthenticated visitors to have markup rendered in th...

CVE-2026-85641 Formidable Forms 6.34 - Unauthenticated Stored Content Injection via 'updated_by' Parameter

The Formidable Forms WordPress plugin before 6.35 does not restrict who can set the identifier recording which user last edited a form entry, and relies on that identifier when deciding whether to strip HTML from stored entry values, allowing unauthenticated visitors to have markup rendered in th...

WordPress Formidable Forms plugin 6.34 - Unauthenticated Stored Content Injection vulnerability

Unauthenticated Stored Content Injection vulnerability discovered by Karthik Ramakrishnan in WordPress Plugin Formidable Forms versions 6.34...

PT-2026-93300

The Formidable Forms WordPress plugin before 6.35 does not restrict who can set the identifier recording which user last edited a form entry, and relies on that identifier when deciding whether to strip HTML from stored entry values, allowing unauthenticated visitors to have markup rendered in th...