Payment Processing Flaw in Quick Paypal Payments Plugin by WordPress
CVE-2026-17008

5.3MEDIUM

Key Information:

Vendor

WordPress
Status
Quick Paypal Payments
Vendor
CVE Published:
12 August 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-17008?

The Quick Paypal Payments WordPress plugin versions prior to 5.7.50 contains a security weakness in its PayPal IPN handler. This vulnerability allows an attacker to exploit the payment confirmation process by matching order tokens without validating key transaction details such as the paid amount, receiver, or payment status. Consequently, it's possible for a buyer to make a minimal payment for a full-price order, effectively marking the transaction as paid without legitimate financial processing. This exposes sellers to potential revenue loss and undermines the integrity of the payment system.

Affected Version(s)

Quick Paypal Payments 0 <= 5.7.50

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-17008 - Proof of Concept

References

https://wpscan.com/vulnerability/605c0c65-6258-411a-a028-...
exploitvdb-entrytechnical-description

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Muni Nitish Kumar Yaddala
WPScan
.