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

> Unauthenticated attackers can access and modify customer shopping carts and discover coupon codes due to insecure direct object references.

- **Severity:** Medium 6.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 1 May 2025
- **Updated:** 8 Apr 2026
- **Also known as:** GHSA-x26p-4qc2-77fw

## What is CVE-2025-3874?

CVE-2025-3874 is a medium-severity missing authorization vulnerability in mra13 Simple Shopping Cart, published on 1 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official 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.

Weakness: CWE-639 (Authorization Bypass Through User-Controlled Key)

## Which versions are affected by CVE-2025-3874?

It affects 1 product.


Products: Tipsandtricks-Hq Wordpress Simple Paypal Shopping Cart.

## How do I fix CVE-2025-3874?

No fix has been published for CVE-2025-3874 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-3874 being exploited?

There is no known exploitation of CVE-2025-3874 in the wild and no public exploit code.

## Other vulnerabilities in mra13 Simple Shopping Cart

- [CVE-2013-2705](https://insights.sbomify.com/CVE-2013-2705/): Cross-site request forgery in n/a (medium 6.8)
- [CVE-2025-3890](https://insights.sbomify.com/CVE-2025-3890/): WordPress Simple PayPal Shopping Cart <= 5.1.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode (medium 6.4)
- [CVE-2022-4672](https://insights.sbomify.com/CVE-2022-4672/): WordPress Simple Shopping Cart < 4.6.2 - Contributor+ Stored XSS via Shortcode (medium 5.4)
- [CVE-2025-3889](https://insights.sbomify.com/CVE-2025-3889/): WordPress Simple PayPal Shopping Cart <= 5.1.3 - Insecure Direct Object Reference via 'quantity' (medium 5.3)
- [CVE-2023-1431](https://insights.sbomify.com/CVE-2023-1431/): Information disclosure in WordPress Simple Shopping Cart (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-3874 and fix it if it is affected.

What it is: CVE-2025-3874 is a medium-severity missing authorization vulnerability in mra13 Simple Shopping Cart, published on 1 May 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2025-3874 in the wild and no public exploit code.

Affected product: mra13 Simple Shopping Cart. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2025-3874/ (Markdown: https://insights.sbomify.com/CVE-2025-3874/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-3874
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-3874
- OSV: https://osv.dev/vulnerability/CVE-2025-3874

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From sbomify Insights: https://insights.sbomify.com/CVE-2025-3874/
Summaries are generated and may contain mistakes; the official description above is the record.