CVE-2026-28148: WordPress Headless Single Sign On plugin <= 1.6 - Bypass Vulnerability vulnerability

Published Aug 13, 2026
·
Updated

Unauthenticated Bypass Vulnerability in Headless Single Sign On <= 1.6 versions.

Affected Software

1 affected component
WordPress Headless Single Sign On plugin<=1.6

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade WordPress Headless Single Sign On plugin to a version that resolves this vulnerability.

    Fixed in 1.6.1

Event History

Aug 13, 2026
CVE Published
via MITRE·01:36 PM
Data Sourced
via MITRE·01:36 PM
RemedyDescriptionSeverityWeakness
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Frequently Asked Questions

1

What is the severity of CVE-2026-28148?

The severity of CVE-2026-28148 is critical with a score of 9.8.

2

What is CVE-2026-28148?

CVE-2026-28148 is an unauthenticated bypass vulnerability in the Headless Single Sign On plugin for WordPress versions 1.6 and below.

3

How do I fix CVE-2026-28148?

To fix CVE-2026-28148, you should update the Headless Single Sign On plugin to a version above 1.6.

4

What are the potential impacts of CVE-2026-28148?

The potential impacts of CVE-2026-28148 include unauthorized access and data exposure due to the bypass vulnerability.

5

Who is affected by CVE-2026-28148?

Users of the Headless Single Sign On plugin for WordPress versions up to 1.6 are affected by CVE-2026-28148.

Contact

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