CVE-2026-44212: Prestashop

Critical severity, CVSS 9.3. EPSS: 0.4% chance of exploitation in the next 30 days.

PrestaShop is an open source e-commerce web application. Prior to 8.2.6 and 9.1.1, there is a stored Cross-Site Scripting (XSS) vulnerability in the PrestaShop back-office Customer Service view. An unauthenticated attacker can submit the public Contact Us form with a malicious email address. The payload is stored in the database and executed when a back-office employee opens the affected customer thread, enabling session hijacking and full back-office takeover. This vulnerability is fixed in 8.2.6 and 9.1.1.

Affected products

• Prestashop Prestashop: before 8.2.6 (fixed in 8.2.6); from 9.0.0-alpha.1, before 9.1.1 (fixed in 9.1.1)

Published 2026-05-14. Last modified 2026-06-17.