CVE-2021-24577

Name: CVE-2021-24577
Creator: NVD / NIST
Published: 2021-10-11T11:15:08.853+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.60%

Last modified Jun 17, 2026

CVE-2021-24577 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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.. EPSS estimates a 0.60% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.60%

44.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Wpdevart	Coming Soon And Maintenance Mode	< 3.5.3

References

https://wpscan.com/vulnerability/d453b547-41a8-4a6b-8349-8686b7054805Exploit, Third Party Advisory
https://wpscan.com/vulnerability/d453b547-41a8-4a6b-8349-8686b7054805Exploit, Third Party Advisory

Timeline

Published: Oct 11, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-24577?

How severe is CVE-2021-24577?

CVE-2021-24577 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.60% probability of exploitation in the next 30 days.

How do I fix CVE-2021-24577?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-24577?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST