Critical severity · published May 14, 2026
CVE-2026-44212
PrestaShop: Stored XSS executable in customer service view
9.3
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 37% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
PR
PrestaShop · PrestaShop
< 8.2.6; >= 9.0.0-alpha.1, < 9.1.1 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-44212
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-44212
github.com
https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-w9f3-qc75-qgx9
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