vulnerability

WordPress Plugin: smooth-page-scroll-updown-buttons: CVE-2021-24331: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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Severity

CVSS

(AV:N/AC:M/Au:S/C:N/I:P/A:N)

Published

Apr 24, 2021

Added

May 15, 2025

Modified

Apr 30, 2026

Description

The Smooth Scroll Page Up/Down Buttons WordPress plugin before 1.4 did not properly sanitise and validate its settings, such as psb_distance, psb_buttonsize, psb_speed, only validating them client side. This could allow high privilege users (such as admin) to set XSS payloads in them

Solution

smooth-page-scroll-updown-buttons-plugin-cve-2021-24331

References

https://www.cve.org/CVERecord?id=CVE-2021-24331
https://www.wordfence.com/threat-intel/vulnerabilities/id/28cb1a04-5129-430a-850e-c410e95d7b87?source=api-prod
https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-11244
CVE-2021-24331
https://attackerkb.com/topics/CVE-2021-24331
CWE-79
EUVD-EUVD-2021-11244

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