WpmudevCVEs & Vulnerabilities

The Appointments plugin for WordPress is vulnerable to PHP Object Injection in versions up to, and including, 2.2.1 via deserialization of untrusted input from the `wpmudev_appointments` cookie. This allows unauthenticated attackers to inject a PHP Object. Attackers were actively exploiting this vulnerability with the WP_Theme() class to create backdoors.

The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘id' and 'data-size’ parameters in all versions up to, and including, 1.44.1 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.

The Hustle WordPress plugin through 7.8.5 does not sanitise and escape some of its settings, which could allow high privilege users such as editors to perform Cross-Site Scripting attacks even when unfiltered_html is disallowed

The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘limit’ parameter in all versions up to, and including, 1.42.0 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.

The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress is vulnerable to Order Replay in all versions up to, and including, 1.42.0 via the 'handle_stripe_single' function due to insufficient validation on a user controlled key. This makes it possible for unauthenticated attackers to reuse a single Stripe PaymentIntent for multiple transactions. Only the first transaction is processed via Stripe, but the plugin sends a successful email message for each transaction, which may trick an administrator into fulfilling each order.

The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the slider template data in all versions up to, and including, 1.39.2 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.

The Forminator Forms WordPress plugin before 1.38.3 does not sanitise and escape some of its settings, which could allow high privilege users such as Admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the title parameter in all versions up to, and including, 1.38.2 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Missing Authorization vulnerability in WPMU DEV - Your All-in-One WordPress Platform Defender Security defender-security.This issue affects Defender Security: from n/a through <= 4.7.1.

The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 1.36.0 via the submit_quizzes() function due to missing validation on the 'entry_id' user controlled key. This makes it possible for unauthenticated attackers to modify other user's quiz submissions.

The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress is vulnerable to unauthorized access due to a missing capability check on a function in all versions up to, and including, 1.35.1. This makes it possible for authenticated attackers, with Contributor-level access and above, and permissions granted by an Administrator, to create new or edit existing forms, including updating the default registration role to Administrator on User Registration forms.

The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.35.1. This is due to missing or incorrect nonce validation on the custom form 'create_module' function. This makes it possible for unauthenticated attackers to create draft forms via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

The Forminator Forms – Contact Form, Payment Form & Custom Form Builder plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.35.1. This is due to missing or incorrect nonce validation on the quiz 'create_module' function. This makes it possible for unauthenticated attackers to create draft quizzes via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

Cross-Site Request Forgery (CSRF) vulnerability in WPMU DEV - Your All-in-One WordPress Platform Hummingbird hummingbird-performance.This issue affects Hummingbird: from n/a through <= 3.9.1.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPMU DEV - Your All-in-One WordPress Platform Branda branda-white-labeling.This issue affects Branda: from n/a through <= 3.4.17.

The Branda – White Label WordPress, Custom Login Page Customizer plugin for WordPress is vulnerable to Full Path Disclosure in all versions up to, and including, 3.4.18. This is due the plugin utilizing composer without preventing direct access to the files. This makes it possible for unauthenticated attackers to retrieve the full path of the web application, which can be used to aid other attacks. The information displayed is not useful on its own, and requires another vulnerability to be present for damage to an affected website.

The Branda – White Label WordPress, Custom Login Page Customizer plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘mime_types’ parameter in all versions up to, and including, 3.4.17 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Improper Authentication vulnerability in WPMU DEV Defender Security allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects Defender Security: from n/a through 4.2.0.

Authentication Bypass by Spoofing vulnerability in WPMU DEV Defender Security allows Functionality Bypass.This issue affects Defender Security: from n/a through 4.4.1.

Insecure Storage of Sensitive Information vulnerability in WPMU DEV Defender Security allows : Screen Temporary Files for Sensitive Information.This issue affects Defender Security: from n/a through 3.3.2.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPMU DEV Broken Link Checker allows Stored XSS.This issue affects Broken Link Checker: from n/a through 2.2.3.

The Hustle – Email Marketing, Lead Generation, Optins, Popups plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 7.8.3 via hardcoded API Keys. This makes it possible for unauthenticated attackers to extract sensitive data including PII.

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in WPMU DEV Defender Security – Malware Scanner, Login Security & Firewall.This issue affects Defender Security – Malware Scanner, Login Security & Firewall: from n/a through 4.1.0.

The SmartCrawl WordPress plugin before 3.8.3 does not prevent unauthorised users from accessing password-protected posts' content.

The Defender Security WordPress plugin before 4.1.0 does not prevent redirects to the login page via the auth_redirect WordPress function, allowing an unauthenticated visitor to access the login page, even when the hide login page functionality of the plugin is enabled.

The Defender Security plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.4.6. This is due to missing or incorrect nonce validation on the verify_otp_login_time() function. This makes it possible for unauthenticated attackers to verify a one time login via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

A vulnerability was found in Broken Link Checker Plugin up to 1.10.5 on WordPress. It has been rated as problematic. Affected by this issue is the function print_module_list/show_warnings_section_notice/status_text/ui_get_action_links. The manipulation leads to cross site scripting. The attack may be launched remotely. Upgrading to version 1.10.6 is able to address this issue. The name of the patch is f30638869e281461b87548e40b517738b4350e47. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-225152.

The Smush WordPress plugin before 3.9.9 does not sanitise and escape a configuration parameter before outputting it back in an admin page when uploading a malicious preset configuration, leading to a Reflected Cross-Site Scripting. For the attack to be successful, an attacker would need an admin to upload a malicious configuration file

The custom-sidebars plugin before 3.0.8.1 for WordPress has CSRF.

The custom-sidebars plugin before 3.1.0 for WordPress has CSRF related to set location, import actions, and export actions.

The Smush Image Compression and Optimization plugin before 2.7.6 for WordPress allows directory traversal.