CVE-2026-109515

The MailOptin – Popup, Optin Forms & Email Newsletters for Mailchimp, HubSpot, AWeber Etc. plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 1.2.78.6 This is due to the subscribetoemaillist endpoint accepting an attacker-supplied...

EUVD-2026-102644

The MailOptin – Popup, Optin Forms & Email Newsletters for Mailchimp, HubSpot, AWeber Etc. plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 1.2.78.6 This is due to the subscribetoemaillist endpoint accepting an attacker-supplied...

CVE-2026-104724

The FireBox – WooCommerce Popup Builder plugin for WordPress is vulnerable to a generic SQL Injection in all versions up to and including 3.1.13 . The root cause is insufficient escaping on user-supplied parameters and a lack of sufficient preparation on existing SQL queries within the FireBox Fo...

CVE-2026-100238 Flow colon-separator and flow-guidedtour-optin-welcome-description messages allow stored XSS

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in Wikimedia Foundation Mediawiki - Flow Extension allows Stored XSS. This issue affects Mediawiki - Flow Extension: from before 1.46.1, 1.45.5, 1.43.10...

CVE-2026-100238

The Wikimedia Foundation Mediawiki - Flow Extension is vulnerable to Stored Cross-Site Scripting (XSS) due to improper neutralization of input during web page generation. Specifically, the flow colon-separator and flow-guidedtour-optin-welcome-description messages allow for the injection of malic...

CVE-2026-100238 Flow colon-separator and flow-guidedtour-optin-welcome-description messages allow stored XSS

Improper Neutralization of Input During Web Page Generation XSS or 'Cross-site Scripting' vulnerability in Wikimedia Foundation Mediawiki - Flow Extension allows Stored XSS. This issue affects Mediawiki - Flow Extension: from before 1.46.1, 1.45.5, 1.43.10...

PT-2026-91165

Joomla Extension - joomshaper.com - Unauthenticated CAPTCHA Bypass via Request-Controlled CAPTCHA Configuration in SP Page Builder Pro 5.1.4 - 6.9.0 - The optin form addon read the CAPTCHA type, the expected answer and the enabled flag from the request rather than from the stored addon...

CVE-2026-76801: Improper Privilege Management

The FireBox – WooCommerce Popup Builder, Exit Intent Popup, Email Optin & Cart Abandonment plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 3.1.10 via the value function. This is due to a trivially bypassable regex blacklist in Executer::allowedToR...

WordPress MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder plugin <= 4.3.3 - Unauthenticated Stored Cross-Site Scripting vulnerability

Unauthenticated Stored Cross-Site Scripting vulnerability discovered by she11f in WordPress Plugin MailChimp Subscribe Forms versions = 4.3.3...

CVE-2026-15052 MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder <= 4.3.3 - Unauthenticated Stored Cross-Site Scripting via Form Field Values

The MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Form Field Values in all versions up to, and including, 4.3.3 due to insufficient input sanitization and output escaping. This makes it possible for...

CVE-2026-15052

Affected software: MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder plugin for WordPress (versions ≤ 4.3.3). Vulnerability type & root cause: Stored Cross‑Site Scripting due to insufficient input sanitization and output escaping in form field handling. Impact: Unauthenticated ...

PT-2026-67058

The MailChimp Subscribe Form, Optin Builder, PopUp Builder, Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Form Field Values in all versions up to, and including, 4.3.3 due to insufficient input sanitization and output escaping. This makes it possible for...

CVE-2026-14603 WowOptin < 1.4.38 - Unauthenticated Opt-in Deactivation and Template Row Injection

The WowOptin: Next-Gen Popup Maker WordPress plugin before 1.4.38 does not have proper authorization on a REST endpoint, allowing unauthenticated users to disable all of the site's opt-in forms and insert new template-based opt-in rows into the database...

CVE-2026-12978 FunnelKit < 3.15.0.6 - Reflected XSS via Divi Optin Form

The FunnelKit WordPress plugin before 3.15.0.6 does not escape a user-supplied parameter before reflecting it into the HTML response of one of its page-builder AJAX actions, allowing unauthenticated attackers to perform Reflected Cross-Site Scripting against logged-in users who open a crafted pag...

WordPress tagDiv Opt-In Builder plugin <= 1.7.5 - Cross Site Scripting (XSS) vulnerability

Cross Site Scripting XSS vulnerability discovered by Bonds in WordPress Plugin tagDiv Opt-In Builder versions = 1.7.5...

CVE-2026-39700

Missing Authorization vulnerability in WPXPO WowOptin optin allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WowOptin: from n/a through = 1.4.32...

CVE-2026-4131: Cross-Site Request Forgery (CSRF)

The WP Responsive Popup + Optin plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to and including 1.4. This is due to the settings form on the admin page wpoadminpage.php lacking nonce generation wpnoncefield and verification wpverifynonce/checkadminreferer. Thi...

EUVD-2026-20400

Missing Authorization vulnerability in WPXPO WowOptin optin allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WowOptin: from n/a through = 1.4.32...

CVE-2026-39700

Missing Authorization vulnerability in WPXPO WowOptin optin allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects WowOptin: from n/a through = 1.4.32...

CVE-2026-0626 WPFunnels <= 3.7.9 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'wpf_optin_form' Shortcode

The WPFunnels – Easy Funnel Builder To Optimize Buyer Journeys And Get More Leads & Sales plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'wpfoptinform' shortcode in all versions up to, and including, 3.7.9 due to insufficient input sanitization and output escaping of th...