CVE-2026-33674

PrestaShop: Improper Use of Validation Framework

2.0 LowFix available

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: High
Privileges needed: High
User interaction: Required

What an attacker can affect

Confidentiality: None
Integrity: Low
Availability: None

Exploit likelihood

0.25%Up 0.2 points since Mar 27, 2026

What each source reports

CVE List Score used 2.0

PrestaShop: Improper Use of Validation Framework

Record: CVE-2026-33674
CVSS 3.1: 2.0 LowCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N
Weakness: CWE-1173
Updated: 2026-11-02

EUVDEUVD-2026-16442 2.0

Record: EUVD-2026-16442
CVSS 3.1: 2.0 LowCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-283w-xf3q-788v 2.0

PrestaShop: Improper Use of Validation Framework

Impact

Fix improper use of validation framework

Patches

Patched in 8.2.5 and 9.1.0

Workarounds

None

References

none

Record: GHSA-283w-xf3q-788v
CVSS 3.1: 2.0 LowCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N
Weakness: CWE-1173
Updated: 2026-11-02

NVD 2.0

Record: CVE-2026-33674
CVSS 3.1: 2.0 LowCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness: CWE-1173
Updated: 2026-11-02

OSV 2.0

PrestaShop: Improper Use of Validation Framework

Record: CVE-2026-33674
CVSS 3.1: 2.0 LowCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N
Weakness: CWE-1173
Updated: 2026-11-04

OSVGHSA-283w-xf3q-788v 2.0

PrestaShop: Improper Use of Validation Framework

Impact

Fix improper use of validation framework

Patches

Patched in 8.2.5 and 9.1.0

Workarounds

None

References

none

Record: GHSA-283w-xf3q-788v
CVSS 3.1: 2.0 LowCVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N
Weakness: CWE-1173
Updated: 2026-11-02

Affected products

prestashop

Affected packages

Affected packages
Package	Affected	Fixed
`prestashop/prestashop` Packagist	before 8.2.5	8.2.5
`prestashop/prestashop` Packagist	9.0.0-alpha.1 up to 9.1.0	9.1.0
`prestashop/prestashop` Packagist	before 8.2.5, plus listed versions 1.7.0.01.7.0.0-beta.1.01.7.0.0-beta.2.01.7.0.0-beta.3.01.7.0.0-beta.4.0 Show 45 moreShow less 1.7.0.0-rc.0.01.7.0.0-rc.1.01.7.0.0-rc.2.01.7.0.11.7.0.21.7.0.31.7.0.41.7.0.51.7.0.61.7.1.01.7.1.11.7.1.21.7.2.01.7.2.0-rc.1.01.7.2.11.7.2.21.7.2.31.7.2.41.7.2.51.7.3.01.7.3.11.7.3.21.7.3.31.7.3.41.7.4.01.7.4.0-beta.11.7.4.11.7.4.21.7.4.31.7.4.41.7.5.01.7.5.0-beta.11.7.5.0-rc.11.7.5.11.7.5.21.7.6.01.7.6.0-beta.11.7.6.0-rc.11.7.6.0-rc.21.7.6.11.7.6.21.7.6.31.7.6.41.7.6.51.7.6.6	8.2.5
`prestashop/prestashop` Packagist	9.0.0-alpha.1 up to 9.1.0, plus listed versions 9.0.09.0.0-beta.19.0.0-rc.19.0.19.0.29.0.39.1.0-beta.19.1.0-rc.1	9.1.0

History

History
Recorded	Changed	Sources
Nov 4, 2026	facts	OSV
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-33674 is a low vulnerability (CVSS 2.0) in Prestashop, published March 25, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.25%, the 15th percentile. Fixed in prestashop/prestashop 8.2.5.

References

This page doesn't list everything

Left out here: 52 versions. The JSON record has them.