Custom Blocks Constructor – Lazy Blocks, CVE-2026-1560
- CVE, Research URL
- Application
- Published on
- Feb 11, 2026
- Research Description
- The Custom Block Builder – Lazy Blocks plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 4.2.0 via multiple functions in the 'LazyBlocks_Blocks' class. This makes it possible for authenticated attackers, with Contributor-level access and above, to execute code on the server.
- Affected versions
-
max 4.2.1.
- Status
-
vulnerable
| Previous vulnerability researches |
|---|
| Custom Blocks Constructor – Lazy Blocks (CVE-2026-1560) , Apr 15, 2026 |
| Custom Blocks Constructor – Lazy Blocks (CVE-2024-12878) , Feb 15, 2025 |