CVE-2026-33673: Prestashop

Medium severity, CVSS 5.4. EPSS: 0.4% chance of exploitation in the next 30 days.

PrestaShop is an open source e-commerce web application. Versions prior to 8.2.5 and 9.1.0 are vulnerable to stored Cross-Site Scripting (stored XSS) vulnerabilities in the BO. An attacker who can inject data into the database, via limited back-office access or a previously existing vulnerability, can exploit unprotected variables in back-office templates. Versions 8.2.5 and 9.1.0 contain a fix. No known workarounds are available.

Affected products

• Prestashop Prestashop: before 8.2.5 (fixed in 8.2.5); from 9.0.0, before 9.1.0 (fixed in 9.1.0)

Published 2026-03-26. Last modified 2026-06-17.