XSS in Prestashop
CVE-2026-33673
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…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (4.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H.
Affected products
- Prestashop — versions >= 9.0.0-alpha.1, < 9.1.0, < 8.2.5
Weakness classification (CWE)
References
- https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-35pf-37c6-jxjv (x_refsource_CONFIRM)
- https://github.com/PrestaShop/PrestaShop/releases/tag/8.2.5 (x_refsource_MISC)
- https://github.com/PrestaShop/PrestaShop/releases/tag/9.1.0 (x_refsource_MISC)
Frequently asked questions
- What is CVE-2026-33673?
- CVE-2026-33673 is a high-severity vulnerability in Prestashop, classified under Cross-site Scripting. CVSS score: 7.7/10. Published 2026-03-26.
- How severe is CVE-2026-33673?
- High severity. CVSS v3 base score is 7.7 out of 10.