# CVE-2026-11534: imvks786 student_management_system add.php cross site scripting

> Remote attackers can inject malicious scripts via the add.php form fields in the student management system, potentially compromising user sessions.

- **Severity:** Medium 5.1 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 8 Jun 2026
- **Updated:** 9 Jun 2026
- **Also known as:** GHSA-qh77-x249-c5mf

## What is CVE-2026-11534?

CVE-2026-11534 is a medium-severity cross-site scripting vulnerability in imvks786 student_management_system, published on 8 Jun 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

A vulnerability was detected in imvks786 student_management_system up to 9599b560ad3c3b83e75d328b76bedcd489ef1f46. Affected by this issue is some unknown functionality of the file /add.php. The manipulation of the argument name/address/fname results in cross site scripting. It is possible to launch the attack remotely. The exploit is now public and may be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The project was informed of the problem early through an issue report but has not responded yet.

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-2026-11534?


## How do I fix CVE-2026-11534?

No fix has been published for CVE-2026-11534 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-11534 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-11534 exists.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-11534 and fix it if it is affected.

What it is: CVE-2026-11534 is a medium-severity cross-site scripting vulnerability in imvks786 student_management_system, published on 8 Jun 2026. Any signed-in user can exploit it over the network, 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-2026-11534 exists.

Affected product: imvks786 student_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-2026-11534/ (Markdown: https://insights.sbomify.com/CVE-2026-11534/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-11534
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-11534
- OSV: https://osv.dev/vulnerability/CVE-2026-11534

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-11534/
Summaries are generated and may contain mistakes; the official description above is the record.