CVE-2026-14558
The User Frontend WordPress plugin before 4.3.10 does not properly validate field type definitions and deserialises user-controlled post metadata when rendering submitted posts, allowing users with Editor-level access and above to inject arbitrary PHP objects, which can lead to remote code execution when a suitable POP chain is present on the site.
- Published Aug 28, 2026
- CVSS 7.2 high
- 0.5% chance of exploitation in the next 30 days (EPSS)
- A fix is available