# CVE-2024-0504: code-projects Simple Online Hotel Reservation System Make a Reservation Page add_reserve.php cross site scripting

> An attacker can inject malicious scripts via the Firstname or Lastname fields in the reservation form, potentially compromising user sessions.

- **Severity:** Low 3.5 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N`)
- **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:** 13 Jan 2024
- **Updated:** 3 Jun 2025
- **Also known as:** GHSA-f5cp-jgg3-jx6f

## What is CVE-2024-0504?

CVE-2024-0504 is a low-severity cross-site scripting vulnerability in code-projects Simple Online Hotel Reservation System, published on 13 Jan 2024. 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 has been found in code-projects Simple Online Hotel Reservation System 1.0 and classified as problematic. This vulnerability affects unknown code of the file add_reserve.php of the component Make a Reservation Page. The manipulation of the argument Firstname/Lastname with the input <script>alert(1)</script> leads to cross site scripting. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-250618 is the identifier assigned to this vulnerability.

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

## Which versions are affected by CVE-2024-0504?

It affects 1 product.


Products: Fabian Simple Online Hotel Reservation System.

## How do I fix CVE-2024-0504?

No fix has been published for CVE-2024-0504 yet. Limit exposure of the affected software until one is available.

## Is CVE-2024-0504 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-0504 exists.

## Other vulnerabilities in code-projects Simple Online Hotel Reservation System

- [CVE-2025-13169](https://insights.sbomify.com/CVE-2025-13169/): code-projects Simple Online Hotel Reservation System add_query_reserve.php sql injection (medium 6.9)
- [CVE-2025-13170](https://insights.sbomify.com/CVE-2025-13170/): code-projects Simple Online Hotel Reservation System edit_account.php sql injection (medium 6.9)
- [CVE-2025-6578](https://insights.sbomify.com/CVE-2025-6578/): code-projects Simple Online Hotel Reservation System delete_account.php sql injection (medium 6.9)
- [CVE-2025-6448](https://insights.sbomify.com/CVE-2025-6448/): code-projects Simple Online Hotel Reservation System delete_room.php sql injection (medium 6.9)
- [CVE-2025-6449](https://insights.sbomify.com/CVE-2025-6449/): code-projects Simple Online Hotel Reservation System checkout_query.php sql injection (medium 6.9)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-0504 and fix it if it is affected.

What it is: CVE-2024-0504 is a low-severity cross-site scripting vulnerability in code-projects Simple Online Hotel Reservation System, published on 13 Jan 2024. 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-2024-0504 exists.

Affected product: code-projects Simple Online Hotel 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-2024-0504/ (Markdown: https://insights.sbomify.com/CVE-2024-0504/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-0504
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-0504
- OSV: https://osv.dev/vulnerability/CVE-2024-0504

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-0504/
Summaries are generated and may contain mistakes; the official description above is the record.