Featured Image from Content (featured-image-from-content) WordPress plugin versions prior to 1.7 contain an authenticated server-side request forgery vulnerability that allows Author-level users to fetch internal HTTP resources. Attackers can exploit insecure URL fetching and file write operations to retrieve sensitive internal data and store it in web-accessible upload directories.
Exploitability
AV:NAC:LAT:NPR:LUI:NVulnerable System
VC:NVI:LVA:NSubsequent System
SC:LSI:LSA:L5.3/CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:LInput Validation