PrestaShop has multiple stored XSS vulnerabilities via unprotected Template variables

MITRE NVD CVE.ORG Print: PDF PDF

Summary

CVECVE-2026-33673
StatePUBLISHED
AssignerGitHub_M
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-03-26 22:16:30 UTC
Updated2026-04-01 13:40:03 UTC
DescriptionPrestaShop 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.

Risk And Classification

Primary CVSS: v3.1 5.4 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Problem Types: CWE-79 | CWE-79 CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary5.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
3.1[email protected]Secondary7.6HIGHCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
3.1CNADECLARED7.7HIGHCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Application Prestashop Prestashop All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA PrestaShop PrestaShop affected >= 9.0.0-alpha.1, < 9.1.0 Not specified
CNA PrestaShop PrestaShop affected < 8.2.5 Not specified

References

ReferenceSourceLinkTags
github.com/PrestaShop/PrestaShop/releases/tag/8.2.5 [email protected] github.com Release Notes
github.com/PrestaShop/PrestaShop/releases/tag/9.1.0 [email protected] github.com Release Notes
github.com/PrestaShop/PrestaShop/security/advisories/GHSA-35pf-37c6-jxjv [email protected] github.com Vendor Advisory
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