# CVE-2026-0586: code-projects Online Product Reservation System prod.php cross site scripting

> Remote attackers can execute arbitrary scripts via the cat parameter in prod.php, potentially compromising user sessions or data.

- **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:** 5 Jan 2026
- **Updated:** 23 Feb 2026
- **Also known as:** GHSA-5hgf-7jfc-7xx5

## What is CVE-2026-0586?

CVE-2026-0586 is a medium-severity cross-site scripting vulnerability in code-projects Online Product Reservation System, published on 5 Jan 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 vulnerability was detected in code-projects Online Product Reservation System 1.0. The affected element is an unknown function of the file handgunner-administrator/prod.php. Performing a manipulation of the argument cat results in cross site scripting. The attack is possible to be carried out 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-2026-0586?

It affects 1 product.


Products: Fabian Online Product Reservation System.

## How do I fix CVE-2026-0586?

No fix has been published for CVE-2026-0586 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-0586 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-0586 exists.

## Other vulnerabilities in code-projects Online Product Reservation System

- [CVE-2026-0583](https://insights.sbomify.com/CVE-2026-0583/): code-projects Online Product Reservation System User Login login.php sql injection (medium 6.9)
- [CVE-2026-0585](https://insights.sbomify.com/CVE-2026-0585/): code-projects Online Product Reservation System GET Parameter order_view.php sql injection (medium 6.9)
- [CVE-2026-0589](https://insights.sbomify.com/CVE-2026-0589/): code-projects Online Product Reservation System Administration Backend improper authentication (medium 6.9)
- [CVE-2026-0592](https://insights.sbomify.com/CVE-2026-0592/): code-projects Online Product Reservation System User Registration register_code.php sql injection (medium 6.9)
- [CVE-2026-0575](https://insights.sbomify.com/CVE-2026-0575/): code-projects Online Product Reservation System Administrator Login adminlogin.php sql injection (medium 6.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-0586 and fix it if it is affected.

What it is: CVE-2026-0586 is a medium-severity cross-site scripting vulnerability in code-projects Online Product Reservation System, published on 5 Jan 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: It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-0586 exists.

Affected product: code-projects Online Product Reservation 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-2026-0586/ (Markdown: https://insights.sbomify.com/CVE-2026-0586/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-0586
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-0586
- OSV: https://osv.dev/vulnerability/CVE-2026-0586

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-0586/
Summaries are generated and may contain mistakes; the official description above is the record.