Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Prestashop | Prestashop | < 8.2.5 |
Related Weaknesses (CWE)
References
- https://github.com/PrestaShop/PrestaShop/releases/tag/8.2.5Release Notes
- https://github.com/PrestaShop/PrestaShop/releases/tag/9.1.0Release Notes
- https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-35pf-37c6-jxjvVendor Advisory
FAQ
What is CVE-2026-33673?
CVE-2026-33673 is a vulnerability with a CVSS score of 7.6 (HIGH). 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 inj...
How severe is CVE-2026-33673?
CVE-2026-33673 has been rated HIGH with a CVSS base score of 7.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-33673?
Check the references section above for vendor advisories and patch information. Affected products include: Prestashop Prestashop.