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CVE-2026-82228: WordPress SiteGround Security plugin <= 1.6.6 - 2FA Bypass vulnerability

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-31 · updated 2026-09-01
• Weakness: CWE-290

Description

Unauthenticated Bypass Vulnerability in SiteGround Security <= 1.6.6 versions.

Affected products

• SiteGround Security: through 1.6.6

References

• https://patchstack.com/database/wordpress/plugin/sg-security/vulnerability/wordpress-siteground-security-plugin-1-6-6-2fa-bypass-vulnerability?_s_id=cve

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