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TI-2026-86483 Aliases CVE-2026-123466GHSA-x9mh-p252-gg5j

Missing authorization in Premium Blocks for WordPress plugin

Priority LOW 30CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

The LeapWorx Premium Blocks, Gutenberg Blocks for WordPress plugin, from n/a through 2.3.18, lacks an authorization check (CWE-862). A remote attacker without privileges and without user interaction can cause a limited loss of confidentiality.

Written with Claude Haiku 5.5 from the sources below · 2026-11-07

Description from the CNA

Missing Authorization vulnerability in LeapWorx Premium Blocks – Gutenberg Blocks for WordPress premium-blocks-for-gutenberg allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Premium Blocks – Gutenberg Blocks for WordPress: from n/a through 2.3.18.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00313 24th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
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
LeapWorxPremium Blocks – Gutenberg Blocks for WordPressup to 2.3.18—No fix listedCNA
  • Premium Blocks – Gutenberg Blocks for WordPress VendorLeapWorx Affected up to 2.3.18 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Premium Blocks, Gutenberg Blocks for WordPress.

Written with Claude Haiku 5.5 from the sources below · 2026-11-07

Timeline

  1. 2026-11-07 Threatist record created from CVE-2026-123466
  2. 2026-11-07 Alias added: GHSA-x9mh-p252-gg5j
  3. 2026-11-07 CISA SSVC decision points changed

References

Other 1

  • TI-2026-71980 Missing authorization in Premium Addons for Elementor plugin CVSS 3.1MEDIUM 5.3
  • TI-2026-71612 Premium Addons for Elementor WordPress Plugin Stored XSS CVSS 3.1MEDIUM 6.5
  • TI-2026-71214 Stored XSS in Premium Addons for Elementor WordPress plugin CVSS 3.1MEDIUM 6.5
  • TI-2026-67633 Stored cross-site scripting in Premium Addons for Elementor plugin CVSS 3.1MEDIUM 6.5
  • TI-2026-86577 Missing authorization in Premium Blocks WordPress plugin CVSS 3.1MEDIUM 5.3

Sources

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