The WordPress CRM, Email & Marketing Automation for WordPress | Award Winner — Groundhogg plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the gh_big_file_upload() function in all versions up to, and including, 3.7.3.5. This makes it possible for authenticated attackers, with Author-level access and above, to upload arbitrary files on the affected site's server which may make remote code execution possible.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Groundhogg Inc. Groundhogg allows Reflected XSS.This issue affects Groundhogg: from n/a through 3.7.3.3.

Cross-Site Request Forgery (CSRF) vulnerability in Groundhogg Inc. Groundhogg allows Cross Site Request Forgery.This issue affects Groundhogg: from n/a through 3.4.2.3.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Groundhogg Inc. Groundhogg allows Reflected XSS.This issue affects Groundhogg: from n/a through 3.4.2.3.

Cross-Site Request Forgery (CSRF) vulnerability in Groundhogg Inc. Groundhogg plugin <= 2.7.11 versions.

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Groundhogg Inc. Groundhogg allows SQL Injection.This issue affects Groundhogg: from n/a through 2.7.11.

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in Groundhogg Inc. Groundhogg plugin <= 2.7.11.10 versions.

The Groundhogg plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.7.9.8. This is due to missing nonce validation in the 'ajax_edit_contact' function. This makes it possible for authenticated attackers to receive the auto login link via shortcode and then modify the assigned user to the auto login link to elevate verified user privileges via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

The Groundhogg plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'gh_form' shortcode in versions up to, and including, 2.7.9.8 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Please note this only works with legacy contact forms.

The Groundhogg plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 2.7.9.8. This is due to missing nonce validation on the 'enable_safe_mode' function. This makes it possible for unauthenticated attackers to enable safe mode, which disables all other plugins, via a forged request if they can successfully trick an administrator into performing an action such as clicking on a link. A warning message about safe mode is displayed to the admin, which can be easily disabled.