What’s Vulnerable › Vulnerabilities

CVE-2023-39527: PrestaShop XSS vulnerability through Validate::isCleanHTML method

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-08-07 · updated 2026-06-17
• Weakness: CWE-79

Description

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.

Affected products

• PrestaShop: before 1.7.8.10; from 8.0.0 before 8.0.5; 8.1.0 — fixed in 1.7.8.10, 8.0.5

How to fix

Upgrade to a fixed version: PrestaShop 1.7.8.10, 8.0.5. Check the vendor advisory for mitigations.

References

• https://github.com/PrestaShop/PrestaShop/commit/afc14f8eaa058b3e6a20ac43e033ee2656fb88b4
• https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-xw2r-f8xv-c8xp
• https://github.com/PrestaShop/PrestaShop/commit/afc14f8eaa058b3e6a20ac43e033ee2656fb88b4
• https://github.com/PrestaShop/PrestaShop/security/advisories/GHSA-xw2r-f8xv-c8xp

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