CVE-2026-124421: BdThemes ZoloBlocks broken access control

CVE-2026-124421 · Severity: medium · CVSS 5.3 · Published 2026-11-11

ZoloBlocks is a WordPress plugin that provides page-building blocks for content creation. An access control weakness allows unauthenticated users to view or perform actions they should not be permitted to access, potentially exposing sensitive data or enabling unauthorized modifications to website content.

Vendors: BdThemes.

Quick answers

Is CVE-2026-124421 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-124421 being exploited in the wild.
How severe is CVE-2026-124421?
Medium severity, with a CVSS score of 5.3, published 11 November 2026.
Which products and versions are affected?
BdThemes ZoloBlocks through 2.8.2.
Is there a fix for CVE-2026-124421?
Yes: fixed in 2.8.4. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-124421 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2026-124421?
Check whether you run BdThemes ZoloBlocks 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: 2.8.4

Technical details

ZoloBlocks through version 2.8.2 fails to properly enforce authorization checks, allowing unauthenticated attackers to access restricted functionality or data. The vulnerability requires no authentication and can be triggered over the network, making it remotely exploitable without user interaction.

Affected products

  • BdThemes ZoloBlocks through 2.8.2

Timeline

  • 2026-11-11: disclosed
  • 2026-11-11: patched

References

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