CVE-2026-17008 Quick PayPal Payments <= 5.7.50 - Unauthenticated Payment Bypass via PayPal IPN
Attackers can bypass payment verification in Quick PayPal Payments by sending forged IPN messages, marking unpaid orders as paid.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-17008?
CVE-2026-17008 is a medium-severity vulnerability in Unknown Quick Paypal Payments, published on 12 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Quick Paypal Payments WordPress plugin through 5.7.50 does not verify the paid amount, receiver, or payment status in its PayPal IPN handler and marks an order paid on an order-token match alone, so a buyer who pays an arbitrary small amount can have a full-price order marked paid.
Which versions are affected by CVE-2026-17008?
How do I fix CVE-2026-17008?
No fix has been published for CVE-2026-17008 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-17008 being exploited?
There is no known exploitation of CVE-2026-17008 in the wild and no public exploit code.
Sources
Also known as GHSA-wpmj-p56j-6mq2.