What is CVE-2021-32789?

CVE-2021-32789 is a high-severity vulnerability in Automattic Woocommerce Blocks, classified under SQL Injection. CVSS score: 7.5/10. Published 2021-07-26.

How severe is CVE-2021-32789?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2021-32789 known to be exploited?

9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

SQL Injection in Automattic Woocommerce Blocks

CVE-2021-32789

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.

Vulnerability class: SQL Injection

Published 2021-07-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.172 (97.0th percentile), scored 2026-09-30.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.172 · newest: 0.172 · change: 0.000

Affected products

Automattic Woocommerce Blocks
Woocommerce Woocommerce-Gutenberg-Products-Block — versions > 2.5.0, < 2.5.16

Weakness classification (CWE)

CWE-89 — SQL Injection

Public proof-of-concept exploits

References

github.com/woocommerce/woocommerce-gutenberg-products-block/security/advisories… (Patch, Third Party Advisory)
github.com/woocommerce/woocommerce-gutenberg-products-block-ghsa-6hq4-w6wv-8wrp… (Broken Link)
hackerone.com/reports/1260787 (Permissions Required)
woocommerce.com/posts/critical-vulnerability-detected-july-2021/ (Vendor Advisory)
wooengineering.wordpress.com/2021/07/14/incident-report-sql-injection-via-store… (Permissions Required)

Frequently asked questions

What is CVE-2021-32789?: CVE-2021-32789 is a high-severity vulnerability in Automattic Woocommerce Blocks, classified under SQL Injection. CVSS score: 7.5/10. Published 2021-07-26.
How severe is CVE-2021-32789?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2021-32789 known to be exploited?: 9 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.