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CVE-2026-123474VulnerabilityPublished

LeapWorx Premium Blocks – Gutenberg Blocks · Missing Authorization Vulnerability

Source GCVE Database

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Authoritative record:CVE-2026-123474· Medium 5.3

Not known to be exploited · CVSS 5.3 Medium : upgrade to 2.3.19 when convenient.

Data as of 7 Nov 2026, 16:18 UTC

CVSS 3.1 base score
5.3Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (Patchstack)CVSS 3.15.3
Patch
Available – fixed in 2.3.19
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 7 Nov 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 7 Nov 2026.

What to do

Upgrade Premium Blocks – Gutenberg Blocks for WordPress to 2.3.19.

Affected software

ProductAffectedFixed in
Premium Blocks – Gutenberg Blocks for WordPresspremium-blocks-for-gutenbergAffected
  • <2.3.19
Fixed in
  • 2.3.19

AI-suggested

Avoid exposing the plugin to untrusted users until a patch is available.

Description

A missing authorization vulnerability exists in LeapWorx Premium Blocks – Gutenberg Blocks for WordPress, affecting versions up to 2.3.18. This flaw allows unauthorized remote attackers to exploit incorrectly configured access control, potentially leading to unauthorized information disclosure. The vulnerability has a CVSS 3.1 base score of 5.3, indicating medium severity with low complexity and no required privileges or user interaction.

References

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