CVE-2026-9189

The Contact Form 7 – PayPal & Stripe Add-on plugin for WordPress is vulnerable to Payment Bypass via Insufficient Verification of Data Authenticity in all versions up to, and including, 2.4.9. Although cf7pppaypalipnhandler correctly validates IPN authenticity by posting back to PayPal with...

CVE-2026-9189

Product & component : WordPress, Contact Form 7 – PayPal & Stripe Add-on. Vulnerability : Payment Bypass via IPN handling flaw in cf7pp_paypal_ipn_handler where the IPN payload’s mc_gross, mc_currency, or receiver_email aren’t compared against stored order values before passing the attacker-contr...