CVE-2026-89050 Quads Ads Manager for Google AdSense < 3.0.5 - Subscriber+ Ad-Selling Payment Bypass via Unverified Success Return URL

The Quads Ads Manager for Google AdSense WordPress plugin before 3.0.5 does not verify payment completion with the configured payment gateway before marking an ad-selling order as paid, allowing users who can place an order to obtain a paid ad placement without payment...