# CVE-2022-1101: SourceCodester Royale Event Management System userregister.php improper authentication

> Remote attackers can bypass authentication in the user registration module of the Royale Event Management System, potentially leading to unauthorized account access.

- **Severity:** High 7.3 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 7 Jan 2023
- **Updated:** 25 Nov 2024
- **Also known as:** GHSA-6rhm-cmwf-2594

## What is CVE-2022-1101?

CVE-2022-1101 is a high-severity authentication bypass vulnerability in SourceCodester Royale Event Management System, published on 7 Jan 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

A vulnerability was found in SourceCodester Royale Event Management System 1.0. It has been rated as critical. This issue affects some unknown processing of the file /royal_event/userregister.php. The manipulation leads to improper authentication. The attack may be initiated remotely. The identifier VDB-195785 was assigned to this vulnerability.

Weakness: CWE-287 (Improper Authentication)

## Which versions are affected by CVE-2022-1101?

It affects 1 product.


Products: Event Management System Project Event Management System.

## How do I fix CVE-2022-1101?

No fix has been published for CVE-2022-1101 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-1101 being exploited?

There is no known exploitation of CVE-2022-1101 in the wild and no public exploit code.

## Other vulnerabilities in SourceCodester Royale Event Management System

- [CVE-2022-28080](https://insights.sbomify.com/CVE-2022-28080/): SQL injection in n/a (high 8.8)
- [CVE-2022-38323](https://insights.sbomify.com/CVE-2022-38323/): File upload in n/a (high 7.2)
- [CVE-2022-1102](https://insights.sbomify.com/CVE-2022-1102/): SourceCodester Royale Event Management System companyprofile.php cross site scripting (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-1101 and fix it if it is affected.

What it is: CVE-2022-1101 is a high-severity authentication bypass vulnerability in SourceCodester Royale Event Management System, published on 7 Jan 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-1101 in the wild and no public exploit code.

Affected product: SourceCodester Royale Event 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-2022-1101/ (Markdown: https://insights.sbomify.com/CVE-2022-1101/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-1101
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-1101
- OSV: https://osv.dev/vulnerability/CVE-2022-1101

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-1101/
Summaries are generated and may contain mistakes; the official description above is the record.