# CVE-2021-24747: SEO Booster < 3.8 - Admin+ SQL Injection

> Authenticated attackers can perform SQL injection via an AJAX request in the SEO Booster WordPress plugin, allowing unauthorized database access.

- **Severity:** High 7.2 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 13 Dec 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-9p7p-4ghr-x9cx

## What is CVE-2021-24747?

CVE-2021-24747 is a high-severity SQL injection vulnerability in Unknown SEO Booster, published on 13 Dec 2021. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

The SEO Booster WordPress plugin before 3.8 allows for authenticated SQL injection via the "fn_my_ajaxified_dataloader_ajax" AJAX request as the $_REQUEST['order'][0]['dir'] parameter is not properly escaped leading to blind and error-based SQL injections.

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

## Which versions are affected by CVE-2021-24747?

It affects 1 product.


Products: Cleverplugins Seo Booster.

## How do I fix CVE-2021-24747?

No fix has been published for CVE-2021-24747 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-24747 being exploited?

There is no known exploitation of CVE-2021-24747 in the wild and no public exploit code.

## Other vulnerabilities in Unknown SEO Booster

- [CVE-2024-32438](https://insights.sbomify.com/CVE-2024-32438/): WordPress SEO Booster plugin <= 3.8.9 - Cross Site Request Forgery (CSRF) vulnerability (medium 4.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-24747 and fix it if it is affected.

What it is: CVE-2021-24747 is a high-severity SQL injection vulnerability in Unknown SEO Booster, published on 13 Dec 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2021-24747 in the wild and no public exploit code.

Affected product: Unknown SEO Booster. 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-2021-24747/ (Markdown: https://insights.sbomify.com/CVE-2021-24747/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-24747
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-24747
- OSV: https://osv.dev/vulnerability/CVE-2021-24747

---
From sbomify Insights: https://insights.sbomify.com/CVE-2021-24747/
Summaries are generated and may contain mistakes; the official description above is the record.