CVE-2026-33673 HIGH

CVE-2026-33673: PrestaShop has multiple stored XSS vulnerabilities via unprotected Template variables

Vendor Prestashop
Product PrestaShop
Weakness CWE-79 · XSS
Published March 26, 2026
Last update March 27, 2026

CVSS base score

7.7/10
Attack vector Network
Attack complexity High
Privileges required High
User interaction Required
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

March 26, 2026 CVE published
March 27, 2026 Record updated