Description

PrestaShop Checkout allows customer account takeover via email

Impact

Missing validation on Express Checkout feature allows silent log-in

Affected versions

The issue was introduced in PrestaShop Checkout 1.3.0 .

All versions above 1.3.0 are vulnerable except of course the patch versions published on 16/10/2025: 7.4.4.1, 8.4.4.1, 7.5.0.5, 8.5.0.5, 9.5.0.5

Patches

The problem has been patched in versions

v4.4.1 for PrestaShop 1.7 (build number: 7.4.4.1)

v4.4.1 for PrestaShop 8 (build number: 8.4.4.1)

v5.0.5 for PrestaShop 1.7 (build number: 7.5.0.5)

v5.0.5 for PrestaShop 8 (build number: 8.5.0.5)

v5.0.5 for PrestaShop 9 (build number: 9.5.0.5)

Read our Versioning policy to learn more about our build numbers and versions of PrestaShop Checkout

Credits

We would like to thank Léo CUNÉAZ for reporting the issue.

Mitigation

Aliases

References