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5.3
SiteGuard WP Plugin allows CAPTCHA bypass
CVE-2026-27411
Summary
A weakness in the SiteGuard WordPress plugin makes it possible for an attacker to bypass CAPTCHA checks. This affects all versions of SiteGuard WP Plugin up to 1.7.9. To protect your site, update to a newer version of the plugin as soon as possible.
Original title
Guessable CAPTCHA vulnerability in jp-secure SiteGuard WP Plugin siteguard allows Functionality Bypass.This issue affects SiteGuard WP Plugin: from n/a through <= 1.7.9.
Original description
Guessable CAPTCHA vulnerability in jp-secure SiteGuard WP Plugin siteguard allows Functionality Bypass.This issue affects SiteGuard WP Plugin: from n/a through <= 1.7.9.
Vulnerability type
CWE-804
Published: 5 Mar 2026 · Updated: 13 Mar 2026 · First seen: 6 Mar 2026