# CVE-2022-3949: Sourcecodester Simple Cashiering System User Account cross site scripting

> An attacker can inject malicious scripts via the fullname field in the User Account Handler of the Simple Cashiering System.

- **Severity:** Low 3.5 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 11 Nov 2022
- **Updated:** 15 Apr 2025
- **Also known as:** GHSA-8v2h-c237-vrvg

## What is CVE-2022-3949?

CVE-2022-3949 is a low-severity cross-site scripting vulnerability in Sourcecodester Simple Cashiering System, published on 11 Nov 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

A vulnerability, which was classified as problematic, has been found in Sourcecodester Simple Cashiering System. This issue affects some unknown processing of the component User Account Handler. The manipulation of the argument fullname leads to cross site scripting. The attack may be initiated remotely. The associated identifier of this vulnerability is VDB-213455.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation), CWE-707 (Improper Neutralization)

## Which versions are affected by CVE-2022-3949?

It affects 1 product.


Products: Simple Cashiering System Project Simple Cashiering System.

## How do I fix CVE-2022-3949?

No fix has been published for CVE-2022-3949 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-3949 being exploited?

There is no known exploitation of CVE-2022-3949 in the wild and no public exploit code.

Public exploit code:

- XSS in Simple Cashiering System (github_poc): https://github.com/maikroservice/CVE-2022-3949

## Other vulnerabilities in Sourcecodester Simple Cashiering System

- [CVE-2021-41492](https://insights.sbomify.com/CVE-2021-41492/): SQL injection in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-3949 and fix it if it is affected.

What it is: CVE-2022-3949 is a low-severity cross-site scripting vulnerability in Sourcecodester Simple Cashiering System, published on 11 Nov 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2022-3949 in the wild and no public exploit code.

Affected product: Sourcecodester Simple Cashiering System. 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-2022-3949/ (Markdown: https://insights.sbomify.com/CVE-2022-3949/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-3949
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-3949
- OSV: https://osv.dev/vulnerability/CVE-2022-3949

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-3949/
Summaries are generated and may contain mistakes; the official description above is the record.