CVE-2026-33673 PUBLISHED

PrestaShop has multiple stored XSS vulnerabilities via unprotected Template variables

Assigner: GitHub_M
Reserved: 23.03.2026 Published: 26.03.2026 Updated: 26.03.2026

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.

Metrics

CVSS 3.1

CVSS Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
CVSS Score: 7.7

Attack Vector	Network	Scope	Changed
Attack Complexity	High	Confidentiality Impact	High
Privileges Required	High	Integrity Impact	High
User Interaction	Required	Availability Impact	High

CVSS 3.1

Product Status

Vendor	PrestaShop
Product	PrestaShop
Versions	Version >= 9.0.0-alpha.1, < 9.1.0 is affected Version < 8.2.5 is affected

References

Problem Types

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') CWE