vulnerability

WordPress Plugin: wpfront-notification-bar: CVE-2021-24518: 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

Jul 11, 2021

Added

May 15, 2025

Modified

May 5, 2026

Description

The WPFront Notification Bar WordPress plugin before 2.0.0 does not sanitise or escape its Custom CSS setting, allowing high privilege users such as admin to set XSS payload in it even when the unfiltered_html capability is disallowed, leading to an authenticated Stored Cross-Site Scripting issue

Solution

wpfront-notification-bar-plugin-cve-2021-24518

References

https://www.cve.org/CVERecord?id=CVE-2021-24518
https://www.wordfence.com/threat-intel/vulnerabilities/id/58bdd837-adae-4fa9-9ca3-00633a6a1ede?source=api-prod
https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-11430
CVE-2021-24518
https://attackerkb.com/topics/CVE-2021-24518
CWE-79
EUVD-EUVD-2021-11430

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