# CVE-2026-3402: PHPGurukul Student Record Management System edit-course.php cross site scripting

> Remote attackers can inject malicious scripts via the Course Short Name field in the Student Record Management System, potentially compromising user sessions.

- **Severity:** Medium 4.8 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 2 Mar 2026
- **Updated:** 2 Mar 2026
- **Also known as:** GHSA-xxj6-rqj3-p32w

## What is CVE-2026-3402?

CVE-2026-3402 is a medium-severity cross-site scripting vulnerability in PHPGurukul Student Record Management System, published on 2 Mar 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

### Official description

A security vulnerability has been detected in PHPGurukul Student Record Management System up to 1.0. This vulnerability affects unknown code of the file /edit-course.php. Such manipulation of the argument Course Short Name leads to cross site scripting. The attack can be executed remotely. The exploit has been disclosed publicly and may be used.

Weakness: CWE-94 (Improper Control of Generation of Code), CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2026-3402?

It affects 1 product.


Products: Phpgurukul Student Record System.

## How do I fix CVE-2026-3402?

No fix has been published for CVE-2026-3402 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-3402 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-3402 exists.

## Other vulnerabilities in PHPGurukul Student Record Management System

- [CVE-2021-26765](https://insights.sbomify.com/CVE-2021-26765/): SQL injection in n/a (critical 9.8)
- [CVE-2021-26762](https://insights.sbomify.com/CVE-2021-26762/): SQL injection in n/a (high 8.8)
- [CVE-2021-26764](https://insights.sbomify.com/CVE-2021-26764/): SQL injection in n/a (high 8.8)
- [CVE-2025-63955](https://insights.sbomify.com/CVE-2025-63955/): Cross-site request forgery in n/a (high 7.5)
- [CVE-2024-3769](https://insights.sbomify.com/CVE-2024-3769/): PHPGurukul Student Record System login.php sql injection (high 7.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-3402 and fix it if it is affected.

What it is: CVE-2026-3402 is a medium-severity cross-site scripting vulnerability in PHPGurukul Student Record Management System, published on 2 Mar 2026. An attacker needs administrator access to exploit it, 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-2026-3402 exists.

Affected product: PHPGurukul Student Record 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-2026-3402/ (Markdown: https://insights.sbomify.com/CVE-2026-3402/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-3402
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-3402
- OSV: https://osv.dev/vulnerability/CVE-2026-3402

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-3402/
Summaries are generated and may contain mistakes; the official description above is the record.