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.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
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
Which versions are affected by CVE-2021-32789?
It affects 1 product.
Products include 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.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
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: 1 Nuclei template and 2 proofs of concept on GitHub.
Sources
Also known as GHSA-6hq4-w6wv-8wrp.