# CVE-2023-6898: SourceCodester Best Courier Management System manage_user.php sql injection

> Attackers can perform SQL injection via the id parameter in manage_user.php to read or modify data in the Best Courier Management System.

- **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:** 17 Dec 2023
- **Updated:** 7 May 2025
- **Also known as:** GHSA-6j6q-xc3q-chp4

## What is CVE-2023-6898?

CVE-2023-6898 is a medium-severity SQL injection vulnerability in SourceCodester Best Courier Management System, published on 17 Dec 2023. It can only be exploited from the same machine or local network, with no action from the victim.

### Official description

A vulnerability classified as critical has been found in SourceCodester Best Courier Management System 1.0. Affected is an unknown function of the file manage_user.php. The manipulation of the argument id leads to sql injection. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-248256.

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

## Which versions are affected by CVE-2023-6898?

It affects 1 product.


Products: Mayurik Best Courier Management System.

## How do I fix CVE-2023-6898?

No fix has been published for CVE-2023-6898 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-6898 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-6898 exists.

## Other vulnerabilities in SourceCodester Best Courier Management System

- [CVE-2024-48580](https://insights.sbomify.com/CVE-2024-48580/): SQL injection in n/a (critical 9.8)
- [CVE-2024-48581](https://insights.sbomify.com/CVE-2024-48581/): File upload in n/a (critical 9.8)
- [CVE-2023-46980](https://insights.sbomify.com/CVE-2023-46980/): Code injection in n/a (critical 9.8)
- [CVE-2023-46005](https://insights.sbomify.com/CVE-2023-46005/): SQL injection in n/a (critical 9.8)
- [CVE-2023-46006](https://insights.sbomify.com/CVE-2023-46006/): SQL injection in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-6898 and fix it if it is affected.

What it is: CVE-2023-6898 is a medium-severity SQL injection vulnerability in SourceCodester Best Courier Management System, published on 17 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-2023-6898 exists.

Affected product: SourceCodester Best Courier 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-2023-6898/ (Markdown: https://insights.sbomify.com/CVE-2023-6898/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-6898
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-6898
- OSV: https://osv.dev/vulnerability/CVE-2023-6898

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-6898/
Summaries are generated and may contain mistakes; the official description above is the record.