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.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact None

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00042.

Exploitation none

Automatable yes

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
SiteGround SiteGround Security unaffected
Version Status Constraints
n/a affected ≤ <= 1.5.8

No data.

No data.

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Project Subscriptions

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

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

Tue, 20 Jan 2026 15:30:00 +0000

Type Values Removed Values Added
References

Tue, 20 Jan 2026 14:45:00 +0000

Type Values Removed Values Added
References

Thu, 18 Dec 2025 15:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 16 Dec 2025 17:15:00 +0000

Type Values Removed Values Added
First Time appeared Siteground
Siteground siteground Security
Wordpress
Wordpress wordpress
Vendors & Products Siteground
Siteground siteground Security
Wordpress
Wordpress wordpress

Tue, 16 Dec 2025 08:30:00 +0000

Type Values Removed Values Added
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.
Title WordPress SiteGround Security plugin <= 1.5.8 - Broken Access Control vulnerability
Weaknesses CWE-862
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: Patchstack

Published:

Updated: 2026-01-20T14:28:24.018Z

Reserved: 2025-11-21T11:21:26.613Z

Link: CVE-2025-66121

cve-icon Vulnrichment

Updated: 2025-12-16T21:00:42.434Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2025-12-16T09:15:56.410

Modified: 2026-01-20T15:19:08.830

Link: CVE-2025-66121

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2025-12-16T17:09:13Z

Weaknesses