CVE-2026-44212 CRITICAL

CVE-2026-44212: PrestaShop: Stored XSS executable in customer service view

Vendor Prestashop
Product PrestaShop
Weakness CWE-79 · XSS
Published May 14, 2026
Last update May 15, 2026
View on NVD All CVEs

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

May 14, 2026 CVE published
May 15, 2026 Record updated