CVE-2026-33673
HIGHPrestaShop has multiple stored XSS vulnerabilities via unprotected Template variables
Title source: cnaDescription
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.
References (3)
Core 3
Core References
X_Refsource_Confirm x_refsource_confirm
https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-35pf-37c6-jxjv
X_Refsource_Misc x_refsource_misc
https://github.com/PrestaShop/PrestaShop/releases/tag/8.2.5
X_Refsource_Misc x_refsource_misc
https://github.com/PrestaShop/PrestaShop/releases/tag/9.1.0
Scores
CVSS v3
7.6
EPSS
0.0027
EPSS Percentile
18.4%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-79
Status
published
Products (4)
prestashop/prestashop
< 8.2.5
prestashop/prestashop
9.0.0-alpha.1 - 9.1.0Packagist
PrestaShop/PrestaShop
< 8.2.5
PrestaShop/PrestaShop
>= 9.0.0-alpha.1, < 9.1.0
Published
Mar 26, 2026
Tracked Since
Mar 27, 2026