Home/CVE/PrestaShop is an open source e-commerce web application. Versions prior to 8.2.5 and 9.1.0 are vulnerable to stored Cros
CVE

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 Cros

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 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.

HIGH · CVSS 7.6 EPSS 0.00017
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
▤

Affected Products & Versions

2
prestashop< 8.2.5
prestashop>= 9.0.0 and < 9.1.0
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Packagist prestashop/prestashop HIGH fixed in 9.1.0
▣

Scoring & Timeline

7.6
HIGH · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD26 Mar 2026 · 10:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/PrestaShop/PrestaShop/releases/tag/8.2.5Release Notes
https://github.com/PrestaShop/PrestaShop/releases/tag/9.1.0Release Notes
https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-35pf-37c6-jxjvVendor Advisory
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