# CVE-2022-3121: SourceCodester Online Employee Leave Management System addemployee.php cross-site request forgery

> Attackers can trick authenticated users into adding employees via CSRF in the admin panel, allowing unauthorized data modification.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/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:** 5 Sep 2022
- **Updated:** 15 Apr 2025
- **Also known as:** GHSA-2gq5-gq9p-q72r

## What is CVE-2022-3121?

CVE-2022-3121 is a medium-severity vulnerability in SourceCodester Online Employee Leave Management System, published on 5 Sep 2022. 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

A vulnerability was found in SourceCodester Online Employee Leave Management System 1.0. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the file /admin/addemployee.php. The manipulation leads to cross-site request forgery. The attack can be launched remotely. The identifier VDB-207853 was assigned to this vulnerability.

Weakness: CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2022-3121?

It affects 1 product.


Products: Online Employee Leave Management System Project Online Employee Leave Management System.

## How do I fix CVE-2022-3121?

No fix has been published for CVE-2022-3121 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-3121 being exploited?

There is no known exploitation of CVE-2022-3121 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-3121 and fix it if it is affected.

What it is: CVE-2022-3121 is a medium-severity vulnerability in SourceCodester Online Employee Leave Management System, published on 5 Sep 2022. 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-2022-3121 in the wild and no public exploit code.

Affected product: SourceCodester Online Employee Leave Management 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-2022-3121/ (Markdown: https://insights.sbomify.com/CVE-2022-3121/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-3121
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-3121
- OSV: https://osv.dev/vulnerability/CVE-2022-3121

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-3121/
Summaries are generated and may contain mistakes; the official description above is the record.