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Headless Single Sign On vulnerabilities

1 tracked advisories · slug headless-single-sign-on

Important: Headless Single Sign On appearing in this catalog does not mean your website is affected. Exposure depends on your installed version. How SiteRespond intelligence works

Tracked advisories

1

Latest advisory

12 August 2026

CISA KEV matches

0

In this WordPress feed

WordPress slug

headless-single-sign-on

Plugin

What this means for Headless Single Sign On

This catalog lists 1 known advisories affecting Headless Single Sign On. The most recent was published on 12 August 2026. If you use this software, compare your installed version against the affected ranges on each advisory and update to a fixed release outside those ranges. SiteRespond Defence checks your actual installed version when the plugin is connected — listing here does not by itself mean your site is vulnerable.

Latest issues

  • Headless Single Sign On <= 1.6 - Unauthenticated PHP Object Injection

    This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.

    Published 12 August 2026

Vulnerability types

    Authentication (inferred from titles)

    • Unauthenticated1
    • Authenticated0
    • Unspecified0

    Advisory history

    Known Headless Single Sign On advisories published by month.

    All advisories

    Check whether your installed version is affected

    SiteRespond Defence matches your installed Headless Single Sign On version against this catalog when the Defence plugin is connected to your WordPress site.

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