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CVE-2023-39527

HighPublished

PrestaShop XSS vulnerability through Validate::isCleanHTML method

Published: Aug 7, 2023
Updated: Oct 3, 2024
Assigning CNA: GitHub_M
Evidence observed: Aug 8, 2026

Primary CVSS

8.3/ 10High

nvd · CVSS 3.1

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

EPSS probability estimate

0.5%

Low · next 30 days

Percentile: 42.6%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

PrestaShop is an open source e-commerce web application. Versions prior to 1.7.8.10, 8.0.5, and 8.1.1 are vulnerable to cross-site scripting through the `isCleanHTML` method. Versions 1.7.8.10, 8.0.5, and 8.1.1 contain a patch. There are no known workarounds.

Sources

fixcve2023_39526_2023_39527Patch
Prestashop fix vulnerability CVE-2023-39526 & CVE-2023-39527

Responsible use

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