CVE-2026-33673CWE-79

PrestaShop has multiple stored XSS vulnerabilities via unprotected Template variables

High · published March 26, 2026

CVSS v3.1
7.7
EPSS
0%
Percentile
32.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.7 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00398 · 32.8th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-03-26T21:41Z
EPSS history
Timeline
  • 26 MAR 21:41Z
    PrestaShop has multiple stored XSS vulnerabilities via unprotected Template variables
    cvelistv5