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OpenAdvisories
High · 7.7 CVE-2026-33673 EUVD-2026-16441GHSA-35pf-37c6-jxjv

PrestaShop has multiple stored XSS vulnerabilities via unprotected Template variables

Published Mar 26, 2026 · Updated Mar 27, 2026 · Assigned by GitHub_M

Description

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.

Affected products

VendorProductAffectedFixed
PrestaShop PrestaShop >= 9.0.0-alpha.1, < 9.1.0, < 8.2.5 —

Affected packages

EcosystemPackageAffectedFixedRecord
Packagist prestashop/prestashop >= 9.0.0-alpha.1, < 9.1.0 9.1.0 GHSA-35pf-37c6-jxjv
Packagist prestashop/prestashop < 8.2.5 8.2.5 GHSA-35pf-37c6-jxjv

References