How severe is CVE-2018-5666?

CVE-2018-5666 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-2018-5666 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-5666?

CVE-2018-5666 affects Responsive Coming Soon Page Project Responsive Coming Soon Page. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-5666?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2018-5666 published?

CVE-2018-5666 was published on 2018-01-13 and last updated on 2026-06-17.

CVE-2018-5666

CVE-2018-5666 is a medium-severity vulnerability in Responsive Coming Soon Page Project Responsive Coming Soon Page 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: 3.5
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Responsive Coming Soon Page Project Responsive Coming Soon Page
Published: 2018-01-13
Last modified: 2026-06-17

Description

An issue was discovered in the responsive-coming-soon-page plugin 1.1.18 for WordPress. XSS exists via the wp-admin/admin.php bg_color parameter.

Frequently asked questions

What is CVE-2018-5666?: An issue was discovered in the responsive-coming-soon-page plugin 1.1.18 for WordPress. XSS exists via the wp-admin/admin.php bg_color parameter.
How severe is CVE-2018-5666?: CVE-2018-5666 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-2018-5666 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-5666?: CVE-2018-5666 affects Responsive Coming Soon Page Project Responsive Coming Soon Page. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-5666?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-5666 published?: CVE-2018-5666 was published on 2018-01-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:responsive_coming_soon_page_project:responsive_coming_soon_page:1.1.18:*:*:*:*:wordpress:*:*

More vulnerabilities in Responsive Coming Soon Page Project Responsive Coming Soon Page

CVE-2018-5658 — High (CVSS 8.8): An issue was discovered in the responsive-coming-soon-page plugin 1.1.18 for WordPress. CSRF exists via…
CVE-2018-5665 — Medium (CVSS 4.8): An issue was discovered in the responsive-coming-soon-page plugin 1.1.18 for WordPress. XSS exists via the…
CVE-2018-5664 — Medium (CVSS 4.8): An issue was discovered in the responsive-coming-soon-page plugin 1.1.18 for WordPress. XSS exists via the…
CVE-2018-5663 — Medium (CVSS 4.8): An issue was discovered in the responsive-coming-soon-page plugin 1.1.18 for WordPress. XSS exists via the…
CVE-2018-5662 — Medium (CVSS 4.8): An issue was discovered in the responsive-coming-soon-page plugin 1.1.18 for WordPress. XSS exists via the…
CVE-2018-5661 — Medium (CVSS 4.8): An issue was discovered in the responsive-coming-soon-page plugin 1.1.18 for WordPress. XSS exists via the…

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