CVE-2021-24539
CVE-2021-24539 is a medium-severity vulnerability in Dazzlersoftware Coming Soon, Under Construction & Maintenance Mode By Dazzler with a CVSS 3.x base score of 4.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.
Key facts
- Severity: Medium (CVSS 3.x base score 4.8)
- CVSS v2: 2.1
- EPSS exploit prediction: 1% (43rd percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-79
- Affected product: Dazzlersoftware Coming Soon, Under Construction & Maintenance Mode By Dazzler
- Published:
- Last modified:
Description
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
Frequently asked questions
- What is 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
- How severe is CVE-2021-24539?
- CVE-2021-24539 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2021-24539 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2021-24539?
- CVE-2021-24539 affects Dazzlersoftware Coming Soon, Under Construction & Maintenance Mode By Dazzler. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2021-24539?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2021-24539 published?
- CVE-2021-24539 was published on 2021-11-01 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:dazzlersoftware:coming_soon\,_under_construction_\&_maintenance_mode_by_dazzler:*:*:*:*:*:wordpress:*:*
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