# CVE-2022-2811: SourceCodester Guest Management System myform.php cross site scripting

> Remote attackers can inject malicious scripts via the name parameter in myform.php, potentially compromising user sessions in SourceCodester Guest Management System.

- **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:** 14 Aug 2022
- **Updated:** 15 Apr 2025
- **Also known as:** GHSA-pc8p-f8jw-v3vr

## What is CVE-2022-2811?

CVE-2022-2811 is a low-severity cross-site scripting vulnerability in SourceCodester Guest Management System, published on 14 Aug 2022. 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 classified as problematic has been found in SourceCodester Guest Management System. This affects an unknown part of the file myform.php. The manipulation of the argument name leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-206397 was assigned to this vulnerability.

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

## Which versions are affected by CVE-2022-2811?

It affects 1 product.


Products: Guest Management System Project Guest Management System.

## How do I fix CVE-2022-2811?

No fix has been published for CVE-2022-2811 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-2811 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2022-2811 exists.

## Other vulnerabilities in SourceCodester Guest Management System

- [CVE-2022-2812](https://insights.sbomify.com/CVE-2022-2812/): SourceCodester Guest Management System index.php sql injection (high 7.3)
- [CVE-2022-2847](https://insights.sbomify.com/CVE-2022-2847/): SourceCodester Guest Management System front.php sql injection (medium 6.3)
- [CVE-2022-2813](https://insights.sbomify.com/CVE-2022-2813/): SourceCodester Guest Management System cleartext storage (medium 4.3)
- [CVE-2023-2740](https://insights.sbomify.com/CVE-2023-2740/): SourceCodester Guest Management System GET Parameter dateTest.php cross site scripting (low 3.5)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-2811 and fix it if it is affected.

What it is: CVE-2022-2811 is a low-severity cross-site scripting vulnerability in SourceCodester Guest Management System, published on 14 Aug 2022. 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-2022-2811 exists.

Affected product: SourceCodester Guest 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-2022-2811/ (Markdown: https://insights.sbomify.com/CVE-2022-2811/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-2811
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-2811
- OSV: https://osv.dev/vulnerability/CVE-2022-2811

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-2811/
Summaries are generated and may contain mistakes; the official description above is the record.