CVE-2023-6164
MainWP Dashboard <= 4.5.1.2 - Authenticated(Administrator+) CSS Injection
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- High
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
MainWP Dashboard <= 4.5.1.2 - Authenticated(Administrator+) CSS Injection
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.
- Record
CVE-2023-6164- CVSS 3.1
- 2.2 Low
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-74
- Updated
- 2026-11-02
EUVDEUVD-2023-58414
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.
- Record
EUVD-2023-58414- CVSS 3.1
- 2.2 Low
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-666g-9c82-3mm3
The MainWP Dashboard – WordPress Manager for Multiple Websites Maintenance plugin for WordPress...
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.
- Record
GHSA-666g-9c82-3mm3- CVSS 3.1
- 2.2 Low
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-74, CWE-79
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2023-6164- CVSS 3.1
- 2.2 Low
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N - CVSS 3.1
- 4.8 Medium
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-74, CWE-79
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-6164 is a low vulnerability (CVSS 2.2) in Mainwp, published November 22, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.40%, the 33rd percentile. No source names a fixed version.
References
wordfence.com/threat-intel/vulnerabilities/id/73980a90-bb17-46e4-a0ea-691f80500fe3?source=cve
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=
nvd.nist.gov/vuln/detail/CVE-2023-6164
github.com/advisories/GHSA-666g-9c82-3mm3