🔐 CVE Alert

CVE-2026-82228

HIGH 8.1

WordPress SiteGround Security plugin <= 1.6.6 - 2FA Bypass vulnerability

CVSS Score
8.1
EPSS Score
0.0%
EPSS Percentile
0th

Unauthenticated Bypass Vulnerability in SiteGround Security <= 1.6.6 versions.

CWE CWE-290
Vendor siteground
Product siteground security
Published Aug 31, 2026
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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Affected Versions

SiteGround / SiteGround Security
n/a ≤ 1.6.6

References

NVD ↗ CVE.org ↗ EPSS Data ↗
patchstack.com: https://patchstack.com/database/wordpress/plugin/sg-security/vulnerability/wordpress-siteground-security-plugin-1-6-6-2fa-bypass-vulnerability?_s_id=cve

Credits

Ananda Dhakal (Patchstack) | Patchstack Bug Bounty Program