# CVE-2026-2159: SourceCodester Simple Responsive Tourism Website Registration Master.php cross site scripting

> Remote attackers can inject malicious scripts via registration fields in SourceCodester Simple Responsive Tourism Website, potentially compromising user sessions.

- **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:** 8 Feb 2026
- **Updated:** 23 Feb 2026
- **Also known as:** GHSA-8pv4-xx57-m7h2

## What is CVE-2026-2159?

CVE-2026-2159 is a medium-severity cross-site scripting vulnerability in SourceCodester Simple Responsive Tourism Website, published on 8 Feb 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 Simple Responsive Tourism Website 1.0. Affected is an unknown function of the file /tourism/classes/Master.php?f=register of the component Registration. Executing a manipulation of the argument firstname/lastname/username can lead to cross site scripting. It is possible to launch 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-2026-2159?

It affects 1 product.


Products: Oretnom23 Simple Responsive Tourism Website.

## How do I fix CVE-2026-2159?

No fix has been published for CVE-2026-2159 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-2159 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-2159 exists.

## Other vulnerabilities in SourceCodester Simple Responsive Tourism Website

- [CVE-2026-3746](https://insights.sbomify.com/CVE-2026-3746/): SourceCodester Simple Responsive Tourism Website Login Login.php sql injection (medium 6.9)
- [CVE-2026-2848](https://insights.sbomify.com/CVE-2026-2848/): SourceCodester Simple Responsive Tourism Website Registration Master.php sql injection (medium 6.9)
- [CVE-2026-2160](https://insights.sbomify.com/CVE-2026-2160/): SourceCodester Simple Responsive Tourism Website Master.php cross site scripting (medium 5.3)
- [CVE-2023-1041](https://insights.sbomify.com/CVE-2023-1041/): SourceCodester Simple Responsive Tourism Website rate_review.php cross site scripting (low 3.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-2159 and fix it if it is affected.

What it is: CVE-2026-2159 is a medium-severity cross-site scripting vulnerability in SourceCodester Simple Responsive Tourism Website, published on 8 Feb 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-2026-2159 exists.

Affected product: SourceCodester Simple Responsive Tourism Website. 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-2026-2159/ (Markdown: https://insights.sbomify.com/CVE-2026-2159/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-2159
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-2159
- OSV: https://osv.dev/vulnerability/CVE-2026-2159

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-2159/
Summaries are generated and may contain mistakes; the official description above is the record.