CVE-2021-24539
Published: 01 November 2021
Summary
CVE-2021-24539 is a medium-severity Cross-site Scripting (CWE-79) vulnerability in Dazzlersoftware Coming Soon\, Under Construction \& Maintenance Mode By Dazzler. Its CVSS base score is 4.8 (Medium).
Operationally, ranked in the top 37.6% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-11451
Vulnerability details
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…
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is disallowed, leading to an authenticated Stored Cross-Site Scripting issue
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Penetration testing submits XSS payloads to web applications, detecting cross-site scripting flaws for subsequent remediation.
Validates web inputs to reject script-related content that could produce XSS.
Output validation against expected content can reject or sanitize script content in generated web pages, reducing XSS exploitability.