CVE-2026-1867: Unknown Guest Posting / Frontend Posting / Front Editor

Medium severity, CVSS 5.9. EPSS: 0.2% chance of exploitation in the next 30 days.

The Guest posting / Frontend Posting / Front Editor WordPress plugin before 5.0.6 allows passing a URL parameter to regenerate a .json file based on demo data that it initially creates. If an administrator modifies the demo form and enables admin notifications in the Guest posting / Frontend Posting / Front Editor WordPress plugin before 5.0.6's settings, it is possible for an unauthenticated attacker to export and download all of the form data/settings, including the administrator's email address.

Affected products

• Unknown Guest Posting / Frontend Posting / Front Editor: before 5.0.6 (fixed in 5.0.6)

Published 2026-03-11. Last modified 2026-06-17.