vulnerability

WordPress Plugin: coming-soon-wp: CVE-2021-24539: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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Severity

CVSS

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

Published

Oct 4, 2021

Added

May 15, 2025

Modified

Apr 30, 2026

Description

The Coming Soon, Under Construction and Maintenance Mode By Dazzler WordPress plugin before 1.6.7 does not sanitise or escape its description setting when outputting it in the frontend when the Coming Soon mode is enabled, even when the unfiltered_html capability is disallowed, leading to an authenticated Stored Cross-Site Scripting issue

Solution

coming-soon-wp-plugin-cve-2021-24539

References

https://www.cve.org/CVERecord?id=CVE-2021-24539
https://www.wordfence.com/threat-intel/vulnerabilities/id/1e9506bd-10a6-40ab-8162-cf4fad9cb882?source=api-prod
https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-11451
CVE-2021-24539
https://attackerkb.com/topics/CVE-2021-24539
CWE-79
EUVD-EUVD-2021-11451

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