PT-2025-51410 · Siteground · Siteground Security

Published 2025-12-16 · Updated 2025-12-17 · CVE-2025-66121

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Name of the Vulnerable Software and Affected Versions SiteGround Security versions through 1.5.8

Description A missing authorization issue exists in SiteGround Security sg-security, allowing exploitation due to incorrectly configured access control security levels.

Recommendations Update SiteGround Security to a version later than 1.5.8.

Fix

Missing Authorization

Weakness Enumeration

CWE-862

Related Identifiers

CVE-2025-66121

Affected Products

Siteground Security

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2025-66121 · Security Note
• https://twitter.com/CVEnew/status/2001365787831857175 · Twitter Post
• https://vdp.patchstack.com/database/Wordpress/Plugin/sg-security/vulnerability/wordpress-siteground-security-plugin-1-5-8-broken-access-control-vulnerability?_s_id=cve · Note
• https://patchstack.com/database/Wordpress/Plugin/sg-security/vulnerability/wordpress-siteground-security-plugin-1-5-8-broken-access-control-vulnerability?_s_id=cve · Note