# CVE-2022-2706: SourceCodester Online Class and Exam Scheduling System class_sched.php sql injection

> Remote attackers can exploit SQL injection in class_sched.php to read or modify database contents in the Online Class and Exam Scheduling System.

- **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:** 8 Aug 2022
- **Updated:** 15 Apr 2025
- **Also known as:** GHSA-2vv2-3x9r-pwrh

## What is CVE-2022-2706?

CVE-2022-2706 is a medium-severity SQL injection vulnerability in SourceCodester Online Class and Exam Scheduling System, published on 8 Aug 2022. 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 Class and Exam Scheduling System 1.0. Affected is an unknown function of the file /pages/class_sched.php. The manipulation of the argument class with the input '||(SELECT 0x684d6b6c WHERE 5993=5993 AND (SELECT 2096 FROM(SELECT COUNT(*),CONCAT(0x717a786b71,(SELECT (ELT(2096=2096,1))),0x717a626271,FLOOR(RAND(0)*2))x FROM INFORMATION_SCHEMA.PLUGINS GROUP BY x)a))||' leads to sql injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-205830 is the identifier assigned to this vulnerability.

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

## Which versions are affected by CVE-2022-2706?

It affects 1 product.


Products: Fabian Online Class and Exam Scheduling System.

## How do I fix CVE-2022-2706?

No fix has been published for CVE-2022-2706 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-2706 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-2706 exists.

## Other vulnerabilities in SourceCodester Online Class and Exam Scheduling System

- [CVE-2022-2707](https://insights.sbomify.com/CVE-2022-2707/): SourceCodester Online Class and Exam Scheduling System faculty_sched.php sql injection (medium 6.3)
- [CVE-2025-29429](https://insights.sbomify.com/CVE-2025-29429/): Cross-site scripting in n/a (medium 6.1)
- [CVE-2025-29427](https://insights.sbomify.com/CVE-2025-29427/): Cross-site scripting in n/a (medium 5.9)
- [CVE-2025-29425](https://insights.sbomify.com/CVE-2025-29425/): SQL injection in n/a (medium 5.5)
- [CVE-2024-12485](https://insights.sbomify.com/CVE-2024-12485/): code-projects Online Class and Exam Scheduling System department.php sql injection (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-2706 and fix it if it is affected.

What it is: CVE-2022-2706 is a medium-severity SQL injection vulnerability in SourceCodester Online Class and Exam Scheduling System, published on 8 Aug 2022. 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-2022-2706 exists.

Affected product: SourceCodester Online Class and Exam Scheduling 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-2022-2706/ (Markdown: https://insights.sbomify.com/CVE-2022-2706/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-2706
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-2706
- OSV: https://osv.dev/vulnerability/CVE-2022-2706

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-2706/
Summaries are generated and may contain mistakes; the official description above is the record.