CVE-2026-4394 Gravity Forms <= 2.9.30 - Unauthenticated Stored Cross-Site Scripting via Credit Card 'Card Type' Sub-Field

The Gravity Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the Credit Card field's 'Card Type' sub-field input.4 in all versions up to, and including, 2.9.30. This is due to the getvalueentrydetail method in the GFFieldCreditCard class outputting the card type value...