# CVE-2024-5121: SourceCodester Event Registration System cross site scripting

> Remote attackers can inject malicious scripts via the 'e' parameter in the registration page, potentially compromising user sessions.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 20 May 2024
- **Updated:** 1 Aug 2024
- **Also known as:** GHSA-r9m3-wwfj-6962

## What is CVE-2024-5121?

CVE-2024-5121 is a medium-severity cross-site scripting vulnerability in SourceCodester Event Registration System, published on 20 May 2024. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability was found in SourceCodester Event Registration System 1.0. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the file /registrar/?page=registration. The manipulation of the argument e leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-265201 was assigned to this vulnerability.

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

## Which versions are affected by CVE-2024-5121?

It affects 1 product.


Products: Oretnom23 Event Registration System.

## How do I fix CVE-2024-5121?

No fix has been published for CVE-2024-5121 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-5121 being exploited?

There is no known exploitation of CVE-2024-5121 in the wild and no public exploit code.

## Other vulnerabilities in SourceCodester Event Registration System

- [CVE-2024-5117](https://insights.sbomify.com/CVE-2024-5117/): SourceCodester Event Registration System portal.php sql injection (medium 6.9)
- [CVE-2024-5118](https://insights.sbomify.com/CVE-2024-5118/): SourceCodester Event Registration System login.php sql injection (medium 6.9)
- [CVE-2024-5122](https://insights.sbomify.com/CVE-2024-5122/): SourceCodester Event Registration System sql injection (medium 6.9)
- [CVE-2024-5123](https://insights.sbomify.com/CVE-2024-5123/): SourceCodester Event Registration System cross site scripting (medium 6.9)
- [CVE-2024-5119](https://insights.sbomify.com/CVE-2024-5119/): SourceCodester Event Registration System sql injection (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-5121 and fix it if it is affected.

What it is: CVE-2024-5121 is a medium-severity cross-site scripting vulnerability in SourceCodester Event Registration System, published on 20 May 2024. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2024-5121 in the wild and no public exploit code.

Affected product: SourceCodester Event Registration 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-2024-5121/ (Markdown: https://insights.sbomify.com/CVE-2024-5121/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-5121
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-5121
- OSV: https://osv.dev/vulnerability/CVE-2024-5121

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-5121/
Summaries are generated and may contain mistakes; the official description above is the record.