CVE-2026-27411 WordPress SiteGuard WP plugin plugin <= 1.7.9 - Captcha Bypass vulnerability

Medium 5.4 Published Updated

Attackers can bypass CAPTCHA protection in the SiteGuard WP Plugin due to guessable codes, allowing unauthorized access to protected functionality.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-27411?

CVE-2026-27411 is a medium-severity vulnerability in jp-secure SiteGuard WP Plugin, published on 5 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-804

Which versions are affected by CVE-2026-27411?

How do I fix CVE-2026-27411?

No fix has been published for CVE-2026-27411 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-27411 being exploited?

There is no known exploitation of CVE-2026-27411 in the wild and no public exploit code.

Sources

Also known as GHSA-28m7-2rmv-hwqr.

Is CVE-2026-27411 in your software?

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