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Access violation vulnerability in WordPress Single Sign-On (SSO) – Multisite All-Inclusive 18.5.3

  • Severity: medium-risk
  • Status: Fixed
  • Publication: June 11, 2025

The WordPress Single Sign-On (SSO) plugin is at risk of being accessed by unauthorized users. This is because of a mistake in how it checks for permissions on a specific function. This vulnerability exists in all versions of the plugin, including the latest version, *.5.3. As a result, attackers who are not logged in can obtain sensitive information, such as restricted site content meant for specific users or roles.

Detected in:

WordPress Single Sign-On (SSO) - Multisite All-Inclusive fixed vulnerable versions: >= * <= 50.5.3

This information is sourced from www.wpvulnerability.com. An open-source database of vulnerabilities maintained by the community. Help us out by submitting vulnerabilities!

Version compare shows which versions have a vulnerability. For example: >= 2.2.8 <= 2.2.21 means:

> from 2.2.8
= including 2.2.8 & 2.2.21
< to 2.2.21

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