What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-02-28 · updated 2026-06-17
• Weakness: CWE-200

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.

Affected products

• pickplugins Post Grid: before 2.3.7 — fixed in 2.3.7

How to fix

Upgrade to a fixed version: pickplugins Post Grid 2.3.7. Check the vendor advisory for mitigations.

References

• 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=
• https://www.wordfence.com/threat-intel/vulnerabilities/id/0407223a-cd41-43d1-87b0-d6b83b57d4b3?source=cve

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