# CVE-2021-28999: SQL injection in n/a

> Remote attackers can execute arbitrary SQL commands via the m1_sortby parameter in CMS Made Simple, potentially compromising data integrity and confidentiality.

- **Severity:** High 8.8 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 8 May 2023
- **Updated:** 29 Jan 2025
- **Also known as:** GHSA-78c4-pg8x-p7pm

## What is CVE-2021-28999?

CVE-2021-28999 is a high-severity SQL injection vulnerability in Cmsmadesimple Cms Made Simple, published on 8 May 2023. Any signed-in user can exploit it over the network, with no action from the victim.

### Official description

SQL Injection vulnerability in CMS Made Simple through 2.2.15 allows remote attackers to execute arbitrary commands via the m1_sortby parameter to modules/News/function.admin_articlestab.php.

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

## Which versions are affected by CVE-2021-28999?

It affects 1 product.


Products: Cmsmadesimple Cms Made Simple.

## How do I fix CVE-2021-28999?

No fix has been published for CVE-2021-28999 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-28999 being exploited?

There is no known exploitation of CVE-2021-28999 in the wild and no public exploit code.

## Other vulnerabilities in Cmsmadesimple Cms Made Simple

- [CVE-2010-4663](https://insights.sbomify.com/CVE-2010-4663/): Other in n/a (critical 10.0)
- [CVE-2024-1527](https://insights.sbomify.com/CVE-2024-1527/): Unrestricted Upload of File with Dangerous Type in CMS Made Simple (critical 9.8)
- [CVE-2018-10081](https://insights.sbomify.com/CVE-2018-10081/): Auth bypass in n/a (critical 9.8)
- [CVE-2018-10085](https://insights.sbomify.com/CVE-2018-10085/): Deserialization in n/a (critical 9.8)
- [CVE-2017-1000453](https://insights.sbomify.com/CVE-2017-1000453/): Code injection in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-28999 and fix it if it is affected.

What it is: CVE-2021-28999 is a high-severity SQL injection vulnerability in Cmsmadesimple Cms Made Simple, published on 8 May 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-28999 in the wild and no public exploit code.

Affected product: Cmsmadesimple Cms Made Simple. 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-2021-28999/ (Markdown: https://insights.sbomify.com/CVE-2021-28999/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-28999
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-28999
- OSV: https://osv.dev/vulnerability/CVE-2021-28999

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-28999/
Summaries are generated and may contain mistakes; the official description above is the record.