CVE-2021-24418: Smooth Scroll Page Up/down Buttons Project Smooth Scroll Page Up/down Buttons

Medium severity, CVSS 4.8. EPSS: 0.6% chance of exploitation in the next 30 days.

The Smooth Scroll Page Up/Down Buttons WordPress plugin through 1.4 does not properly sanitise and validate its psb_positioning settings, allowing high privilege users such as admin to set an XSS payload in it, which will be executed in all pages of the blog

Affected products

• Smooth Scroll Page Up/down Buttons Project Smooth Scroll Page Up/down Buttons: up to and including 1.4

Published 2021-07-12. Last modified 2026-06-17.