high7.6
CVE-2026-33673
PrestaShop has multiple stored XSS vulnerabilities via unprotected Template variables
Impact
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 packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| composer | prestashop/prestashop | >= 9.0.0-alpha.1, < 9.1.0 | 9.1.0 |
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Prestashop | Prestashop | before 8.2.5 from 9.0.0 before 9.1.0 |
Weakness classification
References
- NVD record
- CVE.org record
- GitHub advisory
- https://github.com/advisories/GHSA-35pf-37c6-jxjv
- https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-35pf-37c6-jxjv
- https://github.com/PrestaShop/PrestaShop/releases/tag/8.2.5
- https://github.com/PrestaShop/PrestaShop/releases/tag/9.1.0
- https://nvd.nist.gov/vuln/detail/CVE-2026-33673