CVE-2021-21418: Prestashop Ps Emailsubscription

Medium severity, CVSS 5.4. EPSS: 0.8% chance of exploitation in the next 30 days.

ps_emailsubscription is a newsletter subscription module for the PrestaShop platform. An employee can inject javascript in the newsletter condition field that will then be executed on the front office The issue has been fixed in 2.6.1

Affected products

• Prestashop Ps Emailsubscription: from 2.6.0, before 2.6.1 (fixed in 2.6.1)

Published 2021-03-31. Last modified 2026-06-17.