# CVE-2026-82554: SourceCodester Queue Management System add_customer.php cross site scripting

> Remote attackers can inject malicious scripts via the Name parameter in add_customer.php, potentially compromising user sessions or executing code.

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P`)
- **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:** 30 Aug 2026
- **Updated:** 31 Aug 2026
- **Also known as:** GHSA-x8c2-cv62-f3wv

## What is CVE-2026-82554?

CVE-2026-82554 is a medium-severity cross-site scripting vulnerability in SourceCodester Queue Management System, published on 30 Aug 2026. 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 flaw has been found in SourceCodester Queue Management System 1.0. This affects an unknown part of the file /api/add_customer.php. This manipulation of the argument Name causes cross site scripting. It is possible to initiate the attack remotely. The exploit has been published 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-2026-82554?


## How do I fix CVE-2026-82554?

No fix has been published for CVE-2026-82554 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-82554 being exploited?

There is no known exploitation of CVE-2026-82554 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-82554 and fix it if it is affected.

What it is: CVE-2026-82554 is a medium-severity cross-site scripting vulnerability in SourceCodester Queue Management System, published on 30 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-82554 in the wild and no public exploit code.

Affected product: SourceCodester Queue 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-2026-82554/ (Markdown: https://insights.sbomify.com/CVE-2026-82554/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-82554
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-82554
- OSV: https://osv.dev/vulnerability/CVE-2026-82554

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-82554/
Summaries are generated and may contain mistakes; the official description above is the record.