CVE-2026-119558

EUVD-2026-113823
OpenCart through 4.1.0.4 contains a business logic vulnerability that allows logged-in customers to place unpaid full-price orders by clearing reward points after selecting Free Checkout. Attackers can apply points, save Free Checkout, then submit zero points via reward.save so the confirm handler advances the order to Free Checkout status without payment.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
3.1 LOW
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
opencartopencart
𝑥
≤ 4.1.0.4
CNA
Common Weakness Enumeration
References
https://abraxaslabs.tech/research/opencart-reward-free-checkout
https://github.com/opencart/opencart
https://github.com/opencart/opencart/blob/4.1.0.4/upload/extension/opencart/catalog/controller/checkout/reward.php#L89-L94
https://github.com/opencart/opencart/blob/4.1.0.4/upload/extension/opencart/catalog/controller/payment/free_checkout.php#L47-L55
https://www.vulncheck.com/advisories/opencart-through-4.1.0.4-payment-bypass-via-free-checkout-reward-points