CVE-2026-4259: Unknown Ultimate-Woocommerce-Auction-Pro

High severity, CVSS 7.1. EPSS: 0.3% chance of exploitation in the next 30 days.

The ultimate-woocommerce-auction-pro WordPress plugin through 2.4.5 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin

Affected products

• Unknown Ultimate-Woocommerce-Auction-Pro: up to and including 2.4.5

Published 2026-06-22. Last modified 2026-06-22.