CVE-2026-44212
PrestaShop: Stored XSS executable in customer service view
CVSS Score
9.3
EPSS Score
0.0%
EPSS Percentile
0th
PrestaShop is an open source e-commerce web application. Prior to 8.2.6 and 9.1.1, there is a stored Cross-Site Scripting (XSS) vulnerability in the PrestaShop back-office Customer Service view. An unauthenticated attacker can submit the public Contact Us form with a malicious email address. The payload is stored in the database and executed when a back-office employee opens the affected customer thread, enabling session hijacking and full back-office takeover. This vulnerability is fixed in 8.2.6 and 9.1.1.
| CWE | CWE-79 |
| Vendor | prestashop |
| Product | prestashop |
| Published | May 14, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
High
Integrity
High
Availability
None
Affected Versions
PrestaShop / PrestaShop
< 8.2.6 >= 9.0.0-alpha.1, < 9.1.1