# CVE-2023-2642: SourceCodester Online Exam System GET Parameter updateCourse.php sql injection

> Remote attackers can exploit SQL injection in the updateCourse.php script to read or modify database contents.

- **Severity:** Medium 6.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L`)
- **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:** 11 May 2023
- **Updated:** 24 Jan 2025
- **Also known as:** GHSA-p9xj-vr8q-cxmp

## What is CVE-2023-2642?

CVE-2023-2642 is a medium-severity SQL injection vulnerability in SourceCodester Online Exam System, published on 11 May 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability classified as critical has been found in SourceCodester Online Exam System 1.0. This affects an unknown part of the file adminpanel/admin/facebox_modal/updateCourse.php of the component GET Parameter Handler. The manipulation of the argument id leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-228771.

Weakness: CWE-89 (Improper Neutralization of Special Elements used in an SQL Command)

## Which versions are affected by CVE-2023-2642?

It affects 1 product.


Products: Online Exam System Project Online Exam System.

## How do I fix CVE-2023-2642?

No fix has been published for CVE-2023-2642 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-2642 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-2642 exists.

## Other vulnerabilities in SourceCodester Online Exam System

- [CVE-2023-2770](https://insights.sbomify.com/CVE-2023-2770/): SourceCodester Online Exam System data sql injection (medium 6.3)
- [CVE-2023-2771](https://insights.sbomify.com/CVE-2023-2771/): SourceCodester Online Exam System data sql injection (medium 6.3)
- [CVE-2023-2693](https://insights.sbomify.com/CVE-2023-2693/): SourceCodester Online Exam System POST Parameter data sql injection (medium 6.3)
- [CVE-2023-2694](https://insights.sbomify.com/CVE-2023-2694/): SourceCodester Online Exam System POST Parameter data sql injection (medium 6.3)
- [CVE-2023-2695](https://insights.sbomify.com/CVE-2023-2695/): SourceCodester Online Exam System POST Parameter data sql injection (medium 6.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-2642 and fix it if it is affected.

What it is: CVE-2023-2642 is a medium-severity SQL injection vulnerability in SourceCodester Online Exam System, published on 11 May 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-2642 exists.

Affected product: SourceCodester Online Exam 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-2023-2642/ (Markdown: https://insights.sbomify.com/CVE-2023-2642/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-2642
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-2642
- OSV: https://osv.dev/vulnerability/CVE-2023-2642

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From sbomify Insights: https://insights.sbomify.com/CVE-2023-2642/
Summaries are generated and may contain mistakes; the official description above is the record.