# CVE-2023-3642: GZ Scripts Vacation Rental Website HTTP POST Request cross site scripting

> Remote attackers can inject malicious scripts via HTTP POST parameters in GZ Scripts Vacation Rental Website, potentially compromising user sessions.

- **Severity:** Medium 4.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N`)
- **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:** 12 Jul 2023
- **Updated:** 22 Oct 2024
- **Also known as:** GHSA-mxp3-5xqf-q76w

## What is CVE-2023-3642?

CVE-2023-3642 is a medium-severity cross-site scripting vulnerability in GZ Scripts Vacation Rental Website, published on 12 Jul 2023. 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 found in GZ Scripts Vacation Rental Website 1.8 and classified as problematic. Affected by this issue is some unknown functionality of the file /VacationRentalWebsite/property/8/ad-has-principes/ of the component HTTP POST Request Handler. The manipulation of the argument username/title/comment leads to cross site scripting. The attack may be launched remotely. The identifier of this vulnerability is VDB-233888.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2023-3642?

It affects 1 product.


Products: Gzscripts Vacation Rental Website.

## How do I fix CVE-2023-3642?

No fix has been published for CVE-2023-3642 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-3642 being exploited?

There is no known exploitation of CVE-2023-3642 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-3642 and fix it if it is affected.

What it is: CVE-2023-3642 is a medium-severity cross-site scripting vulnerability in GZ Scripts Vacation Rental Website, published on 12 Jul 2023. 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-2023-3642 in the wild and no public exploit code.

Affected product: GZ Scripts Vacation Rental 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-2023-3642/ (Markdown: https://insights.sbomify.com/CVE-2023-3642/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-3642
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-3642
- OSV: https://osv.dev/vulnerability/CVE-2023-3642

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-3642/
Summaries are generated and may contain mistakes; the official description above is the record.