# CVE-2023-6771: SourceCodester Simple Student Attendance System actions.class.php save_attendance sql injection

> Attackers can perform SQL injection via the sid parameter in the save_attendance function to read or modify database records.

- **Severity:** Medium 5.5 (`CVSS:3.1/AV:A/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:** Local or same network only
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 13 Dec 2023
- **Updated:** 28 Aug 2024
- **Also known as:** GHSA-qc9q-8cwr-cgv7

## What is CVE-2023-6771?

CVE-2023-6771 is a medium-severity SQL injection vulnerability in SourceCodester Simple Student Attendance System, published on 13 Dec 2023. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability, which was classified as critical, has been found in SourceCodester Simple Student Attendance System 1.0. This issue affects the function save_attendance of the file actions.class.php. The manipulation of the argument sid leads to sql injection. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-247907.

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

## Which versions are affected by CVE-2023-6771?

It affects 1 product.


Products: Oretnom23 Simple Student Attendance System.

## How do I fix CVE-2023-6771?

No fix has been published for CVE-2023-6771 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-6771 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-6771 exists.

## Other vulnerabilities in SourceCodester Simple Student Attendance System

- [CVE-2023-51801](https://insights.sbomify.com/CVE-2023-51801/): SQL injection in n/a (critical 9.8)
- [CVE-2024-1923](https://insights.sbomify.com/CVE-2024-1923/): SourceCodester Simple Student Attendance System List of Classes Page ajax-api.php delete_student sql injection (medium 6.3)
- [CVE-2023-7058](https://insights.sbomify.com/CVE-2023-7058/): SourceCodester Simple Student Attendance System path traversal (medium 6.3)
- [CVE-2024-25551](https://insights.sbomify.com/CVE-2024-25551/): Cross-site scripting in n/a (medium 6.1)
- [CVE-2023-51802](https://insights.sbomify.com/CVE-2023-51802/): Cross-site scripting in n/a (medium 6.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-6771 and fix it if it is affected.

What it is: CVE-2023-6771 is a medium-severity SQL injection vulnerability in SourceCodester Simple Student Attendance System, published on 13 Dec 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-6771 exists.

Affected product: SourceCodester Simple Student Attendance 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-2023-6771/ (Markdown: https://insights.sbomify.com/CVE-2023-6771/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-6771
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-6771
- OSV: https://osv.dev/vulnerability/CVE-2023-6771

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-6771/
Summaries are generated and may contain mistakes; the official description above is the record.