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 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.

CVSS v3 7.6 HIGH

7.6^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.0 / Impact : 6.0

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required HIGH

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

References

Link	Resource
https://github.com/PrestaShop/PrestaShop/releases/tag/8.2.5
https://github.com/PrestaShop/PrestaShop/releases/tag/9.1.0
https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-35pf-37c6-jxjv

Configurations

No configuration.

History

No history.

Information

Published : 2026-03-26 22:16

Updated : 2026-03-30 13:26

NVD link : CVE-2026-33673

Mitre link : CVE-2026-33673

CVE.ORG link : CVE-2026-33673

JSON object : View

Products Affected

No product.

CWE

CWE-79

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

{"id": "CVE-2026-33673", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "security-advisories@github.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 7.6, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "HIGH", "confidentialityImpact": "HIGH"}, "impactScore": 6.0, "exploitabilityScore": 1.0}]}, "published": "2026-03-26T22:16:30.553", "references": [{"url": "https://github.com/PrestaShop/PrestaShop/releases/tag/8.2.5", "source": "security-advisories@github.com"}, {"url": "https://github.com/PrestaShop/PrestaShop/releases/tag/9.1.0", "source": "security-advisories@github.com"}, {"url": "https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-35pf-37c6-jxjv", "source": "security-advisories@github.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Primary", "source": "security-advisories@github.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "PrestaShop es una aplicaci\u00f3n web de comercio electr\u00f3nico de c\u00f3digo abierto. Las versiones anteriores a la 8.2.5 y 9.1.0 son vulnerables a vulnerabilidades de cross-site scripting almacenado (XSS almacenado) en el BO. Un atacante que puede inyectar datos en la base de datos, a trav\u00e9s de un acceso limitado al back-office o una vulnerabilidad existente previamente, puede explotar variables desprotegidas en las plantillas del back-office. Las versiones 8.2.5 y 9.1.0 contienen una correcci\u00f3n. No se conocen soluciones alternativas disponibles."}], "lastModified": "2026-03-30T13:26:50.827", "sourceIdentifier": "security-advisories@github.com"}