# CVE-2021-32789: Arbitrary SQL (SQL injection) possible via the Store API component.

> Attackers can execute read-only SQL queries via a crafted URL in the WooCommerce Blocks plugin, exposing sensitive data.

- **Severity:** High 7.5 (`CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 26 Jul 2021
- **Updated:** 3 Aug 2024
- **Also known as:** GHSA-6hq4-w6wv-8wrp

## What is CVE-2021-32789?

CVE-2021-32789 is a high-severity SQL injection vulnerability in woocommerce-gutenberg-products-block, published on 26 Jul 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

woocommerce-gutenberg-products-block is a feature plugin for WooCommerce Gutenberg Blocks. An SQL injection vulnerability impacts all WooCommerce sites running the WooCommerce Blocks feature plugin between version 2.5.0 and prior to version 2.5.16. Via a carefully crafted URL, an exploit can be executed against the `wc/store/products/collection-data?calculate_attribute_counts[][taxonomy]` endpoint that allows the execution of a read only sql query. There are patches for many versions of this package, starting with version 2.5.16. There are no known workarounds aside from upgrading.

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

## Which versions are affected by CVE-2021-32789?

It affects 1 product.


Products: Automattic Woocommerce Blocks.

## How do I fix CVE-2021-32789?

No fix has been published for CVE-2021-32789 yet. Limit exposure of the affected software until one is available.

## Is CVE-2021-32789 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-32789 exists.

Public exploit code:

- 💣 Wordpress WooCommerce users dump exploit. (github_poc): https://github.com/and0x00/CVE-2021-32789
- Authenticated Blind SQL Injection. Wordpress woocommerce plugin versions >= 2.5.0 (github_poc): https://github.com/DonVorrin/CVE-2021-32789
- WooCommerce Blocks 2.5 to 5.5 - Unauthenticated SQL Injection (nuclei): http/cves/2021/CVE-2021-32789.yaml

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2021-32789 and fix it if it is affected.

What it is: CVE-2021-32789 is a high-severity SQL injection vulnerability in woocommerce-gutenberg-products-block, published on 26 Jul 2021. 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-2021-32789 exists.

Affected product: woocommerce-gutenberg-products-block. 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-2021-32789/ (Markdown: https://insights.sbomify.com/CVE-2021-32789/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2021-32789
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-32789
- OSV: https://osv.dev/vulnerability/CVE-2021-32789

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From sbomify Insights: https://insights.sbomify.com/CVE-2021-32789/
Summaries are generated and may contain mistakes; the official description above is the record.