# CVE-2022-21643: SQL Injection in USOC

> Attackers can execute arbitrary SQL commands via unsanitized input in the registration form, potentially compromising the database.

- **Severity:** Critical 10.0 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 4 Jan 2022
- **Updated:** 23 Apr 2025
- **Also known as:** GHSA-fjp4-phjh-jgmc

## What is CVE-2022-21643?

CVE-2022-21643 is a critical SQL injection vulnerability in Aaron-Junker USOC, published on 4 Jan 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

USOC is an open source CMS with a focus on simplicity. In affected versions USOC allows for SQL injection via register.php. In particular usernames, email addresses, and passwords provided by the user were not sanitized and were used directly to construct a sql statement. Users are advised to upgrade as soon as possible. There are not workarounds for this issue.

Weakness: CWE-89 (Improper Neutralization of Special Elements used in an SQL Command)

## Which versions are affected by CVE-2022-21643?

It affects 1 product.


Products: Useful Simple Open-Source Cms Project Useful Simple Open-Source Cms.

## How do I fix CVE-2022-21643?

No fix has been published for CVE-2022-21643 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-21643 being exploited?

There is no known exploitation of CVE-2022-21643 in the wild and no public exploit code.

## Other vulnerabilities in Aaron-Junker USOC

- [CVE-2022-21644](https://insights.sbomify.com/CVE-2022-21644/): SQL Injection via search in USOC (critical 9.1)
- [CVE-2022-21666](https://insights.sbomify.com/CVE-2022-21666/): SQL Injection in useredit.php (high 7.2)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-21643 and fix it if it is affected.

What it is: CVE-2022-21643 is a critical SQL injection vulnerability in Aaron-Junker USOC, published on 4 Jan 2022. 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-2022-21643 in the wild and no public exploit code.

Affected product: Aaron-Junker USOC. 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-2022-21643/ (Markdown: https://insights.sbomify.com/CVE-2022-21643/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-21643
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-21643
- OSV: https://osv.dev/vulnerability/CVE-2022-21643

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-21643/
Summaries are generated and may contain mistakes; the official description above is the record.