CVE-2026-44212CWE-79

PrestaShop: Stored XSS executable in customer service view

Critical · published May 14, 2026

CVSS v3.1
9.3
EPSS
0%
Percentile
35.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
9.3 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00418 · 35.1th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-05-14T20:44Z
EPSS history
Timeline
  • 14 MAY 20:44Z
    PrestaShop: Stored XSS executable in customer service view
    cvelistv5