What’s Vulnerable › Vulnerabilities
CVE-2026-17016: Restore PayPal Standard for WooCommerce <= 3.1.0 - Payment Bypass via PDT Underpayment
- Severity: low (CVSS 3.7 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.2% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-10 · updated 2026-08-26
- Weakness: CWE-284
Description
The Accept PayPal & Stripe with Subscriptions for WooCommerce WordPress plugin through 3.1.0 does not validate the amount actually paid against the order total in its PayPal Data Transfer return handler, allowing a customer to pay less than the order total and still have the order marked as fully paid when the PayPal Data Transfer feature is enabled.
Affected products
- Accept PayPal & Stripe with Subscriptions for WooCommerce: through 3.1.0
References
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