Security Advisory
CVE-2025-66121
5.3
MEDIUM
Vulnerability Description
Missing Authorization vulnerability in SiteGround SiteGround Security sg-security allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects SiteGround Security: from n/a through <= 1.5.8.
Published Date
December 16, 2025
Official Source
NIST NVD Advisory