CVE-2026-119558 (CVSS 3.1)

Description

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.

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CVSS v3.1 Score

3.1

LOW

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N

EPSS — Exploit Prediction

0.0020

Probability of exploitation

0.10%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-841 CWE-841

References

Other 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

Frequently Asked Questions

What is CVE-2026-119558? +

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. It has a CVSS v3.1 base score of 3.1 (LOW).

How severe is CVE-2026-119558? +

CVE-2026-119558 has a CVSS v3.1 score of 3.1 out of 10, rated LOW. This is a low-severity vulnerability with limited impact. The EPSS score is 0.0020, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-119558? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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