# CVE-2022-3434: SourceCodester Web-Based Student Clearance System add-student.php prepare cross site scripting

> Remote attackers can inject malicious scripts via the add-student.php file, potentially compromising user sessions or executing code in the browser.

- **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:** 8 Oct 2022
- **Updated:** 15 Apr 2025
- **Also known as:** GHSA-56j6-q5mc-3pf2

## What is CVE-2022-3434?

CVE-2022-3434 is a low-severity cross-site scripting vulnerability in SourceCodester Web-Based Student Clearance System, published on 8 Oct 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 was found in SourceCodester Web-Based Student Clearance System. It has been rated as problematic. Affected by this issue is the function prepare of the file /Admin/add-student.php. The manipulation leads to cross site scripting. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-210356.

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

## Which versions are affected by CVE-2022-3434?

It affects 1 product.


Products: Web-Based Student Clearance System Project Web-Based Student Clearance System.

## How do I fix CVE-2022-3434?

No fix has been published for CVE-2022-3434 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-3434 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-3434 exists.

## Other vulnerabilities in SourceCodester Web-Based Student Clearance System

- [CVE-2022-3436](https://insights.sbomify.com/CVE-2022-3436/): SourceCodester Web-Based Student Clearance System Photo edit-photo.php unrestricted upload (medium 6.3)
- [CVE-2022-3733](https://insights.sbomify.com/CVE-2022-3733/): SourceCodester Web-Based Student Clearance System edit-admin.php sql injection (medium 5.0)
- [CVE-2022-3414](https://insights.sbomify.com/CVE-2022-3414/): SourceCodester Web-Based Student Clearance System POST Parameter login.php sql injection (medium 5.0)
- [CVE-2022-45221](https://insights.sbomify.com/CVE-2022-45221/): Cross-site scripting in n/a (medium 4.8)
- [CVE-2022-45223](https://insights.sbomify.com/CVE-2022-45223/): Cross-site scripting in n/a (medium 4.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-3434 and fix it if it is affected.

What it is: CVE-2022-3434 is a low-severity cross-site scripting vulnerability in SourceCodester Web-Based Student Clearance System, published on 8 Oct 2022. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-3434 exists.

Affected product: SourceCodester Web-Based Student Clearance 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-2022-3434/ (Markdown: https://insights.sbomify.com/CVE-2022-3434/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-3434
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-3434
- OSV: https://osv.dev/vulnerability/CVE-2022-3434

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-3434/
Summaries are generated and may contain mistakes; the official description above is the record.