The Starbox – the Author Box for Humans plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 3.4.7 via the action function due to missing validation on a user controlled key. This makes it possible for subscribers to view plugin preferences and potentially other user settings.
Severity
CVSS 3.1
4.3 medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
EPSS
0.6% chance of exploitation in the next 30 days; higher than 47% of CVEs (scores of 2026-10-31)