CVE-2025-3874

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

6.5 Medium

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.41%Up 0.4 points since May 1, 2025

What each source reports

CVE List Score used 6.5

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

Record: CVE-2025-3874
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-639
Updated: 2026-11-02

EUVDEUVD-2025-15024 6.5

Record: EUVD-2025-15024
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-x26p-4qc2-77fw 6.5

The WordPress Simple Shopping Cart plugin for WordPress is vulnerable to Insecure Direct Object...

Record: GHSA-x26p-4qc2-77fw
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-639
Updated: 2026-11-02

NVD 6.5

Record: CVE-2025-3874
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Weakness: CWE-639
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-3874 is a medium vulnerability (CVSS 6.5) in Mra13 Simple Shopping Cart, published May 1, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. No source names a fixed version.