# CVE-2023-1769: SourceCodester Grade Point Average GPA Calculator index.php information disclosure

> Remote attackers can read sensitive source code via a PHP filter injection in the GPA Calculator web application.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N`)
- **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:** 31 Mar 2023
- **Updated:** 2 Aug 2024
- **Also known as:** GHSA-g874-7753-4g62

## What is CVE-2023-1769?

CVE-2023-1769 is a medium-severity vulnerability in SourceCodester Grade Point Average GPA Calculator, published on 31 Mar 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 problematic, was found in SourceCodester Grade Point Average GPA Calculator 1.0. Affected is an unknown function of the file index.php. The manipulation of the argument page with the input php://filter/read=convert.base64-encode/resource=grade_table leads to information disclosure. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. VDB-224670 is the identifier assigned to this vulnerability.

Weakness: CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)

## Which versions are affected by CVE-2023-1769?

It affects 1 product.


Products: Grade Point Average \(Gpa\) Calculator Project Grade Point Average \(Gpa\) Calculator.

## How do I fix CVE-2023-1769?

No fix has been published for CVE-2023-1769 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-1769 being exploited?

There is no known exploitation of CVE-2023-1769 in the wild and no public exploit code.

## Other vulnerabilities in SourceCodester Grade Point Average GPA Calculator

- [CVE-2023-1770](https://insights.sbomify.com/CVE-2023-1770/): SourceCodester Grade Point Average GPA Calculator Master.php get_scale sql injection (medium 6.3)
- [CVE-2023-1771](https://insights.sbomify.com/CVE-2023-1771/): SourceCodester Grade Point Average GPA Calculator Master.php get_scale cross site scripting (low 3.5)
- [CVE-2023-1743](https://insights.sbomify.com/CVE-2023-1743/): SourceCodester Grade Point Average GPA Calculator index.php cross site scripting (low 3.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-1769 and fix it if it is affected.

What it is: CVE-2023-1769 is a medium-severity vulnerability in SourceCodester Grade Point Average GPA Calculator, published on 31 Mar 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-1769 in the wild and no public exploit code.

Affected product: SourceCodester Grade Point Average GPA Calculator. 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-2023-1769/ (Markdown: https://insights.sbomify.com/CVE-2023-1769/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-1769
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-1769
- OSV: https://osv.dev/vulnerability/CVE-2023-1769

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-1769/
Summaries are generated and may contain mistakes; the official description above is the record.