16 August 2026
Reference: CVE-2026-3891
1. What is being reported?
The Pix for WooCommerce plugin has a vulnerability that lets attackers upload any type of file to your website without proper checks. This happens because the plugin does not verify who is making changes or what files are being uploaded. Attackers could use this to run malicious code on your website’s server.
2. What this means in plain English
If your website uses this plugin, hackers might be able to break in, steal information, or disrupt your online store. This could harm your business reputation and cause downtime or data loss.
3. Could this affect a small business?
Small businesses using WordPress with the Pix for WooCommerce plugin version 1.5.0 or earlier could be at risk. If you do not use this plugin or WooCommerce, this vulnerability does not affect you.
4. What to do now
- Check if your website uses the Pix for WooCommerce plugin and note its version.
- Update the plugin to the latest version if an update is available from the supplier.
- If you cannot update immediately, ask your IT provider about temporary protections or disabling the plugin.
- Regularly back up your website and monitor for unusual activity.
5. Ask your IT provider
Can you confirm if our website uses the Pix for WooCommerce plugin version 1.5.0 or earlier, and if so, have we applied the necessary updates or protections against CVE-2026-3891?
6. Bottom line
Make sure your Pix for WooCommerce plugin is up to date to prevent hackers from taking control of your website.
Information based on CISA KEV, NVD, and reputable security reporting.