In PrestaShop between versions 1.7.6.0 and 1.7.6.5, there is a reflected XSS with `back` parameter. The problem is fixed in 1.7.6.5
https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-j3r6-33hf-m8wh
https://github.com/PrestaShop/PrestaShop/commit/b6aea152988d81e1586f1c03f2e72c9ef2fe7df7
Source: Mitre, NVD
Published: 2020-04-20
Updated: 2026-06-17
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.00218