GitHub Advisoryadvisory · Packagist
GHSA-35pf-37c6-jxjv PrestaShop has multiple stored XSS vulnerabilities via unprotected Template variables
HIGH
Official page ↗
- Aliases
- CVE-2026-33673
- Ecosystem
- Packagist
- Packages
- prestashop/prestashop
- Severity
- High
- CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-79
- Reviewed
- 2026-03-25
Affected packages
• Packagist prestashop/prestashop: >= 9.0.0-alpha.1, < 9.1.0 → fixed in 9.1.0
• Packagist prestashop/prestashop: < 8.2.5 → fixed in 8.2.5
Description
Impact
Multiple 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.
Patches
Patched on 8.2.5 and 9.1.0
Workarounds
None
References
None
Related
Alias · CVE (1)
- CVE-2026-33673 PrestaShop is an open source e-commerce web application. vulnerability
Weakness · CWE (1)
- CWE-79 Improper Neutralization of Input During Web Page Generation weakness
References
- https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-35pf-37c6-jxjv web
- https://nvd.nist.gov/vuln/detail/CVE-2026-33673 advisory
- https://github.com/PrestaShop/PrestaShop package
- https://github.com/PrestaShop/PrestaShop/releases/tag/8.2.5 web
- https://github.com/PrestaShop/PrestaShop/releases/tag/9.1.0 web