# CVE-2023-6766: PHPGurukul Teacher Subject Allocation Management System Delete Course course.php cross-site request forgery

> An attacker can trick authenticated users into deleting courses via CSRF in the Teacher Subject Allocation Management System.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 13 Dec 2023
- **Updated:** 8 Oct 2024
- **Also known as:** GHSA-q86q-3rhp-gfqv

## What is CVE-2023-6766?

CVE-2023-6766 is a medium-severity vulnerability in PHPGurukul Teacher Subject Allocation Management System, published on 13 Dec 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

### Official description

A vulnerability classified as problematic has been found in PHPGurukul Teacher Subject Allocation Management System 1.0. Affected is an unknown function of the file /admin/course.php of the component Delete Course Handler. The manipulation of the argument delid leads to cross-site request forgery. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-247896.

Weakness: CWE-352 (Cross-Site Request Forgery)

## Which versions are affected by CVE-2023-6766?

It affects 1 product.


Products: Phpgurukul Teacher Subject Allocation Management System.

## How do I fix CVE-2023-6766?

No fix has been published for CVE-2023-6766 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-6766 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-6766 exists.

## Other vulnerabilities in PHPGurukul Teacher Subject Allocation Management System

- [CVE-2023-46024](https://insights.sbomify.com/CVE-2023-46024/): SQL injection in n/a (high 7.5)
- [CVE-2025-4241](https://insights.sbomify.com/CVE-2025-4241/): PHPGurukul Teacher Subject Allocation Management System search.php sql injection (medium 6.9)
- [CVE-2025-5556](https://insights.sbomify.com/CVE-2025-5556/): PHPGurukul Teacher Subject Allocation Management System edit-teacher-info.php sql injection (medium 5.3)
- [CVE-2025-5557](https://insights.sbomify.com/CVE-2025-5557/): PHPGurukul Teacher Subject Allocation Management System edit-course.php sql injection (medium 5.3)
- [CVE-2025-5558](https://insights.sbomify.com/CVE-2025-5558/): PHPGurukul Teacher Subject Allocation Management System changeimage.php sql injection (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-6766 and fix it if it is affected.

What it is: CVE-2023-6766 is a medium-severity vulnerability in PHPGurukul Teacher Subject Allocation Management System, published on 13 Dec 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-6766 exists.

Affected product: PHPGurukul Teacher Subject Allocation 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-2023-6766/ (Markdown: https://insights.sbomify.com/CVE-2023-6766/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-6766
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-6766
- OSV: https://osv.dev/vulnerability/CVE-2023-6766

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-6766/
Summaries are generated and may contain mistakes; the official description above is the record.