# CVE-2023-28662: SQL injection in Gift Cards (Gift Vouchers and Packages) WordPress Plugin

> Unauthenticated attackers can perform SQL injection via the template parameter in the Gift Cards WordPress plugin, potentially accessing or modifying database contents.

- **Severity:** Critical 9.8 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/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:** 22 Mar 2023
- **Updated:** 25 Feb 2025
- **Also known as:** GHSA-9c49-3qrv-gxfp

## What is CVE-2023-28662?

CVE-2023-28662 is a critical SQL injection vulnerability in Gift Cards (Gift Vouchers and Packages) WordPress Plugin, published on 22 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

The Gift Cards (Gift Vouchers and Packages) WordPress Plugin, version <= 4.3.1, is affected by an unauthenticated SQL injection vulnerability in the template parameter in the wpgv_doajax_voucher_pdf_save_func action.

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

## Which versions are affected by CVE-2023-28662?

It affects 1 product.


Products: Codemenschen Gift Vouchers.

## How do I fix CVE-2023-28662?

No fix has been published for CVE-2023-28662 yet. Limit exposure of the affected software until one is available.

## Is CVE-2023-28662 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-28662 exists.

Public exploit code:

- Wordpress Gift Cards <= 4.3.1 - SQL Injection (nuclei): http/cves/2023/CVE-2023-28662.yaml

## Other vulnerabilities in Gift Cards (Gift Vouchers and Packages) WordPress Plugin

- [CVE-2018-16159](https://insights.sbomify.com/CVE-2018-16159/): SQL injection in n/a (critical 9.8)
- [CVE-2024-13520](https://insights.sbomify.com/CVE-2024-13520/): Missing authorization in Gift Cards (Gift Vouchers and Packages) (WooCommerce Supported) (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2023-28662 and fix it if it is affected.

What it is: CVE-2023-28662 is a critical SQL injection vulnerability in Gift Cards (Gift Vouchers and Packages) WordPress Plugin, published on 22 Mar 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-28662 exists.

Affected product: Gift Cards (Gift Vouchers and Packages) WordPress Plugin. 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-2023-28662/ (Markdown: https://insights.sbomify.com/CVE-2023-28662/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2023-28662
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-28662
- OSV: https://osv.dev/vulnerability/CVE-2023-28662

---
From sbomify Insights: https://insights.sbomify.com/CVE-2023-28662/
Summaries are generated and may contain mistakes; the official description above is the record.