# CVE-2025-9306: SourceCodester Advanced School Management System addNotice cross site scripting

> Remote attackers can inject malicious scripts via the noticeSubject parameter in the Advanced School 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:** 21 Aug 2025
- **Updated:** 22 Aug 2025
- **Also known as:** GHSA-v856-r97f-vrg7

## What is CVE-2025-9306?

CVE-2025-9306 is a medium-severity cross-site scripting vulnerability in SourceCodester Advanced School Management System, published on 21 Aug 2025. 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 SourceCodester Advanced School Management System 1.0. The impacted element is an unknown function of the file /index.php/notice/addNotice. The manipulation of the argument noticeSubject results in cross site scripting. It is possible to launch the attack remotely. The exploit is now public 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-2025-9306?

It affects 1 product.


Products: Donbermoy Advanced School Management System.

## How do I fix CVE-2025-9306?

No fix has been published for CVE-2025-9306 yet. Limit exposure of the affected software until one is available.

## Is CVE-2025-9306 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-9306 exists.

## Other vulnerabilities in SourceCodester Advanced School Management System

- [CVE-2025-9689](https://insights.sbomify.com/CVE-2025-9689/): SourceCodester Advanced School Management System item_select sql injection (medium 5.3)
- [CVE-2025-9690](https://insights.sbomify.com/CVE-2025-9690/): SourceCodester Advanced School Management System vendordetails sql injection (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2025-9306 and fix it if it is affected.

What it is: CVE-2025-9306 is a medium-severity cross-site scripting vulnerability in SourceCodester Advanced School Management System, published on 21 Aug 2025. 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-2025-9306 exists.

Affected product: SourceCodester Advanced School 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-2025-9306/ (Markdown: https://insights.sbomify.com/CVE-2025-9306/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2025-9306
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2025-9306
- OSV: https://osv.dev/vulnerability/CVE-2025-9306

---
From sbomify Insights: https://insights.sbomify.com/CVE-2025-9306/
Summaries are generated and may contain mistakes; the official description above is the record.