XSS in Dazzlersoftware Coming Soon\, Under Construction \& Maintenance Mode By Dazzler

CVE-2021-24539

The Coming Soon, Under Construction & 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

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (44.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-24539?
CVE-2021-24539 is a medium-severity vulnerability in Dazzlersoftware Coming Soon\, Under Construction \& Maintenance Mode By Dazzler, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2021-11-01.
How severe is CVE-2021-24539?
Medium severity. CVSS v3 base score is 4.8 out of 10.
Is CVE-2021-24539 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.