WordPress Simple PayPal Shopping Cart <= 5.1.3 - Insecure Direct Object Reference

6.5
Authorization Bypass Through User-Controlled Key
CVE CVE-2025-3874
CVSS 6.5 (Medium)
Publicly Published April 30, 2025
Last Updated May 1, 2025
Researcher Jack Taylor

Description

The WordPress Simple Shopping Cart plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.1.3 due to lack of randomization of a user controlled key. This makes it possible for unauthenticated attackers to access customer shopping carts and edit product links, add or delete products, and discover coupon codes.

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Vulnerability Details for Simple Shopping Cart

Software Type Plugin
Software Slug wordpress-simple-paypal-shopping-cart (view on wordpress.org)
Patched? Yes
Remediation Update to version 5.1.4, or a newer patched version
Affected Version
  • <= 5.1.3
Patched Version
  • 5.1.4

Recent vulnerabilities in Simple Shopping Cart

# Title CVE ID CVSS Researchers Date
1 Simple Shopping Cart <= 5.2.9 - Unauthenticated Insecure Direct Object Reference CVE-2026-48868 5.3 Austin Ginder June 2, 2026
2 Simple Shopping Cart <= 5.2.4 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'wpsc_display_product' Shortcode CVE-2026-0552 6.4 Muhammad Yudha - DJ April 3, 2026
3 WordPress Simple PayPal Shopping Cart <= 5.1.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode CVE-2025-3890 6.4 Jack Taylor April 30, 2025
4 WordPress Simple PayPal Shopping Cart <= 5.1.3 - Insecure Direct Object Reference via 'quantity' CVE-2025-3889 5.3 Jack Taylor April 30, 2025
5 WordPress Simple PayPal Shopping Cart <= 5.1.2 - Unauthenticated Product Price Manipulation CVE-2025-3530 7.5 Jack Taylor April 22, 2025
6 WordPress Simple PayPal Shopping Cart <= 5.1.2 - Unauthenticated Information Exposure via file_url Parameter CVE-2025-3529 8.2 Jack Taylor April 22, 2025
7 WordPress Simple Shopping Cart <= 5.0.7 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2024-12622 6.4 Muhammad Yudha - DJ December 23, 2024
8 WordPress Simple Shopping Cart <= 4.7.1 - Authenticated(Administrator+) Stored Cross-Site Scripting CVE-2023-6497 4.4 Webbernaut January 26, 2024
9 WP Simple Shopping Cart <= 4.6.3 - Information Disclosure CVE-2023-1431 5.3 Ayoub Safa March 16, 2023
10 WordPress Simple PayPal Shopping Cart <= 4.6.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode CVE-2022-4672 6.4 István Márton December 27, 2022

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