Quick answers
- Is CVE-2026-123466 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-123466 being exploited in the wild.
- How severe is CVE-2026-123466?
- Medium severity, with a CVSS score of 5.3, published 7 November 2026.
- Which products and versions are affected?
- LeapWorx Premium Blocks – Gutenberg Blocks for WordPress through 2.3.18.
- Is there a fix for CVE-2026-123466?
- Yes: fixed in 2.3.19. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-123466 attacked?
- It is attacked over the network, in a software library.
- Am I affected by CVE-2026-123466?
- Check whether you run LeapWorx Premium Blocks – Gutenberg Blocks for WordPress at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.
How to fix
- Fixed in: 2.3.19
Technical details
The plugin fails to properly enforce authorization checks on certain actions, allowing unauthenticated users to bypass access control restrictions. The vulnerability affects versions up to 2.3.18 and is exploitable via the network without authentication or user interaction. An attacker can access restricted pages or perform unauthorized actions within the WordPress admin or content management areas.
Affected products
- LeapWorx Premium Blocks – Gutenberg Blocks for WordPress through 2.3.18
Timeline
- 2026-10-25: disclosed: Reported to Patchstack
- 2026-11-07: advisory: Published by Patchstack