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TI-2026-11170 Aliases CVE-2026-13154GHSA-45qh-hqj8-xp45

Essential Blocks < 6.4.0 - Unauthenticated Non-Public Custom Post Type Content Disclosure via queries Endpoint

Priority HIGH 72CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-200.

Summary

The Gutenberg Essential Blocks WordPress plugin before 6.4.0 does not verify that an attacker-supplied post type is publicly viewable before querying it in one of its public REST routes, allowing unauthenticated users to read published entries of custom post types that the site registered as non-public.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00434 37th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Gutenberg Essential Blocks (Unknown): 6.4.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
UnknownGutenberg Essential Blocksbefore 6.4.06.4.0Patch availableCNA
  • Gutenberg Essential Blocks VendorUnknown Affected before 6.4.0 Fixed in 6.4.0 Patch available CNA

Remediation

  • Fix · CNA Gutenberg Essential Blocks (Unknown) Fixed in 6.4.0

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    Gutenberg Essential Blocks 6.4.0

    2 records Highest priority Priority HIGH 2 HIGH

    Other records, highest priority first

    • TI-2026-11169 Essential Blocks < 6.4.0 - Unauthenticated WooCommerce Sales Data Disclosure via REST products EndpointPriority HIGH 72
    Show all 2 records →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-13154
  2. 2026-10-03 Alias added: GHSA-45qh-hqj8-xp45

References

Exploit 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences