# CVE-2021-24679: Bitcoin / AltCoin Payment Gateway for WooCommerce < 1.6.1 - Reflected Cross-Site Scripting

> An attacker can execute arbitrary scripts in the context of other users' browsers via the 's' parameter in the Bitcoin/AltCoin Payment Gateway plugin.

- **Severity:** Medium 6.1 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N`)
- **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:** 4 Oct 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-hm5x-5qjj-jgqm

## What is CVE-2021-24679?

CVE-2021-24679 is a medium-severity cross-site scripting vulnerability in Unknown Bitcoin / AltCoin Payment Gateway for WooCommerce & Multivendor store / shop, published on 4 Oct 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 Bitcoin / AltCoin Payment Gateway for WooCommerce WordPress plugin before 1.6.1 does not escape the 's' GET parameter before outputting back in the All Masking Rules page, leading to a Reflected Cross-Site Scripting issue

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2021-24679?

It affects 1 product.


Products: Coinmarketstats Bitcoin \/ Altcoin Payment Gateway for Woocommerce.

## How do I fix CVE-2021-24679?

No fix has been published for CVE-2021-24679 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-24679 being exploited?

There is no known exploitation of CVE-2021-24679 in the wild and no public exploit code.

## Other vulnerabilities in Unknown Bitcoin / AltCoin Payment Gateway for WooCommerce & Multivendor store / shop

- [CVE-2022-4118](https://insights.sbomify.com/CVE-2022-4118/): Bitcoin / AltCoin Payment Gateway <= 1.7.1 - Unauthenticated SQLi (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-24679 and fix it if it is affected.

What it is: CVE-2021-24679 is a medium-severity cross-site scripting vulnerability in Unknown Bitcoin / AltCoin Payment Gateway for WooCommerce & Multivendor store / shop, published on 4 Oct 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-2021-24679 in the wild and no public exploit code.

Affected product: Unknown Bitcoin / AltCoin Payment Gateway for WooCommerce & Multivendor store / shop. 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-2021-24679/ (Markdown: https://insights.sbomify.com/CVE-2021-24679/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-24679
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-24679
- OSV: https://osv.dev/vulnerability/CVE-2021-24679

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-24679/
Summaries are generated and may contain mistakes; the official description above is the record.