# CVE-2023-46821: WordPress GD Security Headers Plugin <= 1.7 is vulnerable to SQL Injection

> Authenticated administrators can exploit SQL injection in the GD Security Headers plugin to read or modify database contents.

- **Severity:** High 7.6 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 6 Nov 2023
- **Updated:** 28 Apr 2026
- **Also known as:** GHSA-x9wm-pw72-c8fj

## What is CVE-2023-46821?

CVE-2023-46821 is a high-severity SQL injection vulnerability in Milan Petrovic GD Security Headers, published on 6 Nov 2023. An attacker needs administrator access to exploit it, with no action from the victim.

### Official description

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Milan Petrovic GD Security Headers allows auth. (admin+) SQL Injection.This issue affects GD Security Headers: from n/a through 1.7.

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

## Which versions are affected by CVE-2023-46821?

It affects 1 product.


Products: Dev4press Gd Security Headers.

## How do I fix CVE-2023-46821?

No fix has been published for CVE-2023-46821 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-46821 being exploited?

There is no known exploitation of CVE-2023-46821 in the wild and no public exploit code.

## Other vulnerabilities in Milan Petrovic GD Security Headers

- [CVE-2023-40330](https://insights.sbomify.com/CVE-2023-40330/): WordPress GD Security Headers Plugin <= 1.6.1 is vulnerable to Cross Site Scripting (XSS) (high 7.1)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-46821 and fix it if it is affected.

What it is: CVE-2023-46821 is a high-severity SQL injection vulnerability in Milan Petrovic GD Security Headers, published on 6 Nov 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2023-46821 in the wild and no public exploit code.

Affected product: Milan Petrovic GD Security Headers. 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-2023-46821/ (Markdown: https://insights.sbomify.com/CVE-2023-46821/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-46821
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-46821
- OSV: https://osv.dev/vulnerability/CVE-2023-46821

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-46821/
Summaries are generated and may contain mistakes; the official description above is the record.