CVE-2025-66121

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-66121
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.

5.3 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact LOW

Availability Impact NONE

Scope UNCHANGED

References
Link Resource
https://patchstack.com/database/Wordpress/Plugin/sg-security/vulnerability/wordpress-siteground-security-plugin-1-5-8-broken-access-control-vulnerability?_s_id=cve
Configurations

No configuration.

History

20 Jan 2026, 15:19

Type Values Removed Values Added
References
  • {'url': 'https://vdp.patchstack.com/database/Wordpress/Plugin/sg-security/vulnerability/wordpress-siteground-security-plugin-1-5-8-broken-access-control-vulnerability?_s_id=cve', 'source': 'audit@patchstack.com'}
  • () https://patchstack.com/database/Wordpress/Plugin/sg-security/vulnerability/wordpress-siteground-security-plugin-1-5-8-broken-access-control-vulnerability?_s_id=cve -

18 Dec 2025, 15:16

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.3

16 Dec 2025, 09:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-12-16 09:15

Updated : 2026-01-20 15:19

NVD link : CVE-2025-66121

Mitre link : CVE-2025-66121

CVE.ORG link : CVE-2025-66121

JSON object : View

Products Affected

No product.

CWE
CWE-862

Missing Authorization