Piotnet Forms Pro <= 2.1.40 - Unauthenticated Arbitrary File Upload RCE

Piotnet Forms WordPress plugin = 2.1.40 contains an unrestricted file upload vulnerability caused by incomplete file extension blacklist in 'piotnetformsajaxformbuilder', letting unauthenticated attackers upload arbitrary files, exploit requires a file field in the form. id: CVE-2026-4883 info:...

CVE-2026-4883

CVE-2026-4883: Piotnet Forms Pro = 2.1.40 - Unauthenticated Arbitrary File Upload → RCE The vulnerability stems from inadequate file type validation in the piotnetformsajaxformbuilder function. The plugin employs an incomplete extension blacklist blocking only php, phpt, php5, php7, and exe while...

VulnCheck KEV: CVE-2026-4883

The Piotnet Forms plugin for WordPress is vulnerable to arbitrary file upload due to missing file type validation in the 'piotnetformsajaxformbuilder' function in all versions up to, and including, 2.1.40. The plugin uses an incomplete extension blacklist that only blocks php, phpt, php5, php7, a...

WordPress Piotnet Forms plugin <= 1.0.30 - Unauthenticated Stored XSS vulnerability

Unauthenticated Stored XSS vulnerability discovered by Claude Ndanda TrixX in WordPress Plugin Piotnet Forms versions = 1.0.30...

CVE-2026-96227

The Piotnet Forms WordPress plugin through 1.0.30 does not authenticate or validate a form-submission file-upload request and permits browser-renderable file types to be stored, allowing unauthenticated attackers to store a file that executes arbitrary JavaScript in the site's origin when it is...

CVE-2026-96227 Piotnet Forms <= 1.0.30 - Unauthenticated Stored XSS via File Upload

The Piotnet Forms WordPress plugin through 1.0.30 does not authenticate or validate a form-submission file-upload request and permits browser-renderable file types to be stored, allowing unauthenticated attackers to store a file that executes arbitrary JavaScript in the site's origin when it is...

CVE-2026-96227

The Piotnet Forms WordPress plugin (versions through 1.0.30 ) is vulnerable to Stored Cross-Site Scripting (XSS) . The root cause is a failure to authenticate or validate form-submission file-upload requests, which allows unauthenticated attackers to store browser-renderable file types. Once stor...

EUVD-2026-96795

The Piotnet Forms WordPress plugin through 1.0.30 does not authenticate or validate a form-submission file-upload request and permits browser-renderable file types to be stored, allowing unauthenticated attackers to store a file that executes arbitrary JavaScript in the site's origin when it is...

CVE-2026-96227 Piotnet Forms <= 1.0.30 - Unauthenticated Stored XSS via File Upload

The Piotnet Forms WordPress plugin through 1.0.30 does not authenticate or validate a form-submission file-upload request and permits browser-renderable file types to be stored, allowing unauthenticated attackers to store a file that executes arbitrary JavaScript in the site's origin when it is...

PT-2026-110069

The Piotnet Forms WordPress plugin through 1.0.30 does not authenticate or validate a form-submission file-upload request and permits browser-renderable file types to be stored, allowing unauthenticated attackers to store a file that executes arbitrary JavaScript in the site's origin when it is...

CVE-2026-96227: Improper Neutralization of Input During Web Page Generation

The Piotnet Forms WordPress plugin through 1.0.30 does not authenticate or validate a form-submission file-upload request and permits browser-renderable file types to be stored, allowing unauthenticated attackers to store a file that executes arbitrary JavaScript in the site's origin when it is...

CVE-2026-4883

The Piotnet Forms plugin for WordPress is vulnerable to arbitrary file upload due to missing file type validation in the 'piotnetformsajaxformbuilder' function in all versions up to, and including, 2.1.40. The plugin uses an incomplete extension blacklist that only blocks php, phpt, php5, php7, a...

WordPress Piotnet Forms plugin <= 2.1.40 - Unauthenticated Arbitrary File Upload vulnerability

Unauthenticated Arbitrary File Upload vulnerability discovered by 0xd4rk5id3 - EnvoraSec in WordPress Plugin Piotnet Forms versions = 2.1.40...

CVE-2026-4883

The Piotnet Forms plugin for WordPress is vulnerable to arbitrary file upload due to missing file type validation in the 'piotnetformsajaxformbuilder' function in all versions up to, and including, 2.1.40. The plugin uses an incomplete extension blacklist that only blocks php, phpt, php5, php7, a...

CVE-2026-4883

The Piotnet Forms plugin for WordPress is vulnerable to arbitrary file upload due to missing file type validation in the 'piotnetformsajaxformbuilder' function in all versions up to, and including, 2.1.40. The plugin uses an incomplete extension blacklist that only blocks php, phpt, php5, php7, a...

CVE-2026-4883 Piotnet Forms <= 2.1.40 - Unauthenticated Arbitrary File Upload via Form File Upload

The Piotnet Forms plugin for WordPress is vulnerable to arbitrary file upload due to missing file type validation in the 'piotnetformsajaxformbuilder' function in all versions up to, and including, 2.1.40. The plugin uses an incomplete extension blacklist that only blocks php, phpt, php5, php7, a...

CVE-2026-4883

Piotnet Forms for WordPress (v2.1.40 and earlier) is affected by a vulnerability in the piotnetforms_ajax_form_builder function, where missing file type validation and an incomplete extension blacklist allow unauthenticated arbitrary file uploads. Since the blacklist only blocks php, phpt, php5, ...

EUVD-2026-30892

The Piotnet Forms plugin for WordPress is vulnerable to arbitrary file upload due to missing file type validation in the 'piotnetformsajaxformbuilder' function in all versions up to, and including, 2.1.40. The plugin uses an incomplete extension blacklist that only blocks php, phpt, php5, php7, a...

CVE-2026-4883 Piotnet Forms <= 2.1.40 - Unauthenticated Arbitrary File Upload via Form File Upload

The Piotnet Forms plugin for WordPress is vulnerable to arbitrary file upload due to missing file type validation in the 'piotnetformsajaxformbuilder' function in all versions up to, and including, 2.1.40. The plugin uses an incomplete extension blacklist that only blocks php, phpt, php5, php7, a...

WordPress plugin Piotnet Forms code issue vulnerability

WordPress and WordPress plugins are both products of the WordPress Foundation. WordPress is a blog platform developed using the PHP language. This platform allows for the creation of personal blog websites on servers based on PHP and MySQL. A WordPress plugin is an application extension. There we...