What the vulnerability does
01Description
Missing Authorization vulnerability in knitpay UPI QR Code Payment Gateway for WooCommerce upi-qr-code-payment-for-woocommerce allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects UPI QR Code Payment Gateway for WooCommerce: from n/a through <= 1.5.1.
Explanation of Vulnerability in Simple Terms
02Summary
The UPI QR Code Payment Gateway for WooCommerce plugin lacks proper authorization checks, allowing unauthenticated attackers to modify payment data and disrupt transactions. An attacker can send network requests without credentials to alter transaction integrity or availability. All versions up to 1.5.1 are affected. Site owners should update to a version newer than 1.5.1 when available.
What an attacker can do
03Attacker Capabilities
Modify payment transaction data or disrupt payment processing without authentication.
Potential impact on your site
04Site Impact
Payment transactions can be altered or disrupted, affecting order processing and customer trust.
Conditions required to exploit
05Prerequisites
Network access only; no authentication or user interaction required.
Key dates
06Disclosure timeline
February 20, 2026
CVE published
April 29, 2026
Record updated