# CVE-2021-24620: Simple eCommerce <= 2.2.5 - Arbitrary File Upload

> Attackers can upload malicious PHP files via CSRF or admin access, leading to remote code execution on the WordPress site.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 13 Sep 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-hjv5-g5g9-4cg4

## What is CVE-2021-24620?

CVE-2021-24620 is a high-severity vulnerability in Unknown WordPress Simple Ecommerce Shopping Cart Plugin- Sell products through Paypal, published on 13 Sep 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

The WordPress Simple Ecommerce Shopping Cart Plugin- Sell products through Paypal plugin through 2.2.5 does not check for the uploaded Downloadable Digital product file, allowing any file, such as PHP to be uploaded by an administrator. Furthermore, as there is no CSRF in place, attackers could also make a logged admin upload a malicious PHP file, which would lead to RCE

Weakness: CWE-352 (Cross-Site Request Forgery), CWE-434 (Unrestricted Upload of File with Dangerous Type)

## Which versions are affected by CVE-2021-24620?

It affects 1 product.


Products: Simple-E-Commerce-Shopping-Cart Project Simple-E-Commerce-Shopping-Cart.

## How do I fix CVE-2021-24620?

No fix has been published for CVE-2021-24620 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-24620 being exploited?

There is no known exploitation of CVE-2021-24620 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-24620 and fix it if it is affected.

What it is: CVE-2021-24620 is a high-severity vulnerability in Unknown WordPress Simple Ecommerce Shopping Cart Plugin- Sell products through Paypal, published on 13 Sep 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2021-24620 in the wild and no public exploit code.

Affected product: Unknown WordPress Simple Ecommerce Shopping Cart Plugin- Sell products through Paypal. 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-2021-24620/ (Markdown: https://insights.sbomify.com/CVE-2021-24620/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-24620
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-24620
- OSV: https://osv.dev/vulnerability/CVE-2021-24620

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From sbomify Insights: https://insights.sbomify.com/CVE-2021-24620/
Summaries are generated and may contain mistakes; the official description above is the record.