CVE-2026-56831

Shopper is a Headless e-commerce Admin Panel. Prior to 2.9.0, the /cpanel/discounts administrative interface accepts negative fixedamount discount values, persists them in shdiscounts, and passes them through vendor/shopper/cart/src/Discounts/DiscountCalculator.php and...

CVE-2026-56831

Shopper is a Headless e-commerce Admin Panel. Prior to 2.9.0, the /cpanel/discounts administrative interface accepts negative fixedamount discount values, persists them in shdiscounts, and passes them through vendor/shopper/cart/src/Discounts/DiscountCalculator.php and...

Shopper: Negative discount values accepted and propagated through order calculation pipeline

Summary The Shopper Framework discount management functionality accepts negative discount values without server-side validation. It was confirmed that negative fixed-amount discounts can be created through the administrative interface, persisted to the database, and subsequently processed by the...

GHSA-5VF4-452P-JJHF Shopper: Negative discount values accepted and propagated through order calculation pipeline

Summary The Shopper Framework discount management functionality accepts negative discount values without server-side validation. It was confirmed that negative fixed-amount discounts can be created through the administrative interface, persisted to the database, and subsequently processed by the...

PT-2026-90547

Summary The Shopper Framework discount management functionality accepts negative discount values without server-side validation. It was confirmed that negative fixed-amount discounts can be created through the administrative interface, persisted to the database, and subsequently processed by the...