CVE-2026-33674: PrestaShop: Improper Use of Validation Framework

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-03-26 · updated 2026-06-17
Weakness: CWE-1173

Description

PrestaShop is an open source e-commerce web application. Versions prior to 8.2.5 and 9.1.0 improperly use the validation framework. Versions 8.2.5 and 9.1.0 contain a fix. No known workarounds are available.

Affected products

PrestaShop: before 8.2.5; from 9.0.0 before 9.1.0 — fixed in 8.2.5, 9.1.0

How to fix

Upgrade to a fixed version: PrestaShop 8.2.5, 9.1.0. Check the vendor advisory for mitigations.

References

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-283w-xf3q-788v

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