CVE-2026-27411

Name: CVE-2026-27411
Creator: NVD / NIST
Published: 2026-03-05T06:16:29.093+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.19%

Last modified Jun 17, 2026

CVE-2026-27411 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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.. EPSS estimates a 0.19% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:N

EPSS Probability

0.19%

8.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-804

References

https://patchstack.com/database/Wordpress/Plugin/siteguard/vulnerability/wordpress-siteguard-wp-plugin-plugin-1-7-9-captcha-bypass-vulnerability?_s_id=cve

Timeline

Published: Mar 5, 2026
Last Modified: Jun 17, 2026
Status: Deferred

Frequently Asked Questions

What is CVE-2026-27411?

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.

How severe is CVE-2026-27411?

CVE-2026-27411 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.

How do I fix CVE-2026-27411?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-27411?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST