What’s Vulnerable › Vulnerabilities

CVE-2023-6164: MainWP Dashboard <= 4.5.1.2 - Authenticated(Administrator+) CSS Injection

• Severity: medium (CVSS 4.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-11-22 · updated 2026-06-17
• Weakness: CWE-74

Description

The MainWP Dashboard – WordPress Manager for Multiple Websites Maintenance plugin for WordPress is vulnerable to CSS Injection via the ‘newColor’ parameter in all versions up to, and including, 4.5.1.2 due to insufficient input sanitization. This makes it possible for authenticated attackers, with administrator-level access, to inject arbitrary CSS values into the site tags.

Affected products

• MainWP: through 4.5.1.2

References

• https://plugins.trac.wordpress.org/changeset?old_path=/mainwp/tags/4.5.1.2&old=2996628&new_path=/mainwp/tags/4.5.1.3&new=2996628&sfp_email=&sfph_mail=
• https://www.wordfence.com/threat-intel/vulnerabilities/id/73980a90-bb17-46e4-a0ea-691f80500fe3?source=cve
• https://plugins.trac.wordpress.org/changeset?old_path=/mainwp/tags/4.5.1.2&old=2996628&new_path=/mainwp/tags/4.5.1.3&new=2996628&sfp_email=&sfph_mail=
• https://www.wordfence.com/threat-intel/vulnerabilities/id/73980a90-bb17-46e4-a0ea-691f80500fe3?source=cve

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