Medium severity5.3NVD Advisory· Published Dec 16, 2025· Updated Apr 27, 2026

CVE-2025-66121

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

WordPress/Sg Securityinferred
Range: <=1.5.8
Package: https://wordpress.org/plugins/sg-security
Siteground/Siteground Securityllm-fuzzy
Range: <=1.5.8

Patches

Vulnerability mechanics

References

patchstack.com/database/Wordpress/Plugin/sg-security/vulnerability/wordpress-siteground-security-plugin-1-5-8-broken-access-control-vulnerabilitynvd

News mentions

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ransomware	0.000