CVE-2025-3874 MEDIUM

CVE-2025-3874: WordPress Simple PayPal Shopping Cart <= 5.1.3 - Insecure Direct Object Reference

Vendor Mra13
Product Simple Shopping Cart
Weakness CWE-639 · IDOR
Published May 1, 2025
Last update April 8, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

What the vulnerability does

01Description

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.

Explanation of Vulnerability in Simple Terms

02Summary

Simple Shopping Cart versions 5.1.3 and earlier contain an authorization flaw that allows unauthenticated attackers to read and modify sensitive data over the network. The vulnerability requires no user interaction and can be exploited remotely. Site administrators should update to a version newer than 5.1.3 immediately.

What an attacker can do

03Attacker Capabilities

Read and modify sensitive shopping cart data without authentication.

Potential impact on your site

04Site Impact

Customer data and cart contents can be viewed or altered by anyone on the internet.

Conditions required to exploit

05Prerequisites

Network access to the affected site; no authentication or user interaction required.

Key dates

06Disclosure timeline

May 1, 2025 CVE published
April 8, 2026 Record updated