# CVE-2023-4872: SourceCodester Contact Manager App add.php sql injection

> Remote attackers can exploit SQL injection in the Contact Manager App to read or modify database contents via the add.php script.

- **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:** 10 Sep 2023
- **Updated:** 26 Sep 2024
- **Also known as:** GHSA-9rfw-qc4x-5385

## What is CVE-2023-4872?

CVE-2023-4872 is a medium-severity SQL injection vulnerability in SourceCodester Contact Manager App, published on 10 Sep 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

A vulnerability, which was classified as critical, has been found in SourceCodester Contact Manager App 1.0. This issue affects some unknown processing of the file add.php. The manipulation of the argument contact/contactName leads to sql injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-239357 was assigned to this vulnerability.

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

## Which versions are affected by CVE-2023-4872?

It affects 1 product.


Products: Contact Manager App Project Contact Manager App.

## How do I fix CVE-2023-4872?

No fix has been published for CVE-2023-4872 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-4872 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-4872 exists.

## Other vulnerabilities in SourceCodester Contact Manager App

- [CVE-2023-4871](https://insights.sbomify.com/CVE-2023-4871/): SourceCodester Contact Manager App delete.php sql injection (medium 6.3)
- [CVE-2023-4868](https://insights.sbomify.com/CVE-2023-4868/): SourceCodester Contact Manager App add.php cross-site request forgery (medium 4.3)
- [CVE-2023-4869](https://insights.sbomify.com/CVE-2023-4869/): SourceCodester Contact Manager App update.php cross-site request forgery (medium 4.3)
- [CVE-2023-4870](https://insights.sbomify.com/CVE-2023-4870/): SourceCodester Contact Manager App Contact Information index.php cross site scripting (low 3.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-4872 and fix it if it is affected.

What it is: CVE-2023-4872 is a medium-severity SQL injection vulnerability in SourceCodester Contact Manager App, published on 10 Sep 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-2023-4872 exists.

Affected product: SourceCodester Contact Manager App. 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-2023-4872/ (Markdown: https://insights.sbomify.com/CVE-2023-4872/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-4872
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-4872
- OSV: https://osv.dev/vulnerability/CVE-2023-4872

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-4872/
Summaries are generated and may contain mistakes; the official description above is the record.