Coming soon and Maintenance mode <= 3.5.2 - Authenticated Stored Cross-Site Scripting

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVE CVE-2021-24577
CVSS 6.4 (Medium)
Publicly Published September 13, 2021
Last Updated December 21, 2022
Researcher Asif Nawaz Minhas - Patchstack Alliance


The Coming soon and Maintenance mode WordPress plugin before 3.5.3 does not properly sanitize inputs submitted by authenticated users when setting adding or modifying coming soon or maintenance mode pages, leading to stored XSS.



Vulnerability Details for Coming soon and Maintenance mode

Software Type Plugin
Software Slug coming-soon-page (view on
Patched? Yes
Remediation Update to version 3.5.3, or a newer patched version
Affected Version
  • < 3.5.3
Patched Version
  • 3.5.3

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