WordPress Single Sign-On (SSO) - Multiple Versions - Incorrect Authorization to Sensitive Information Exposure

2025-06-11 19:22

Israël Hallé (Flare)

Strategic Overview

Status

Patched in 18.5.4

Affected PluginWordPress Single Sign-On (SSO) - Single Site Standard

Affected Version<= 18.5.3

CVSS5.3Medium

CVECVE-2025-6003

View all WordPress Single Sign-On (SSO) - Single Site Standard vulnerabilities

Vulnerability Overview

The WordPress Single Sign-On (SSO) plugin for WordPress is vulnerable to unauthorized access due to a misconfigured capability check on a function in all versions up to, and including, the *.5.3 versions of the plugin. This makes it possible for unauthenticated attackers to extract sensitive data including site content that has been restricted to certain users and/or roles.

Technical Analysis

REMEDIATION: Update to version 18.5.4, or a newer patched version --- IDENTIFIER: CWE-863 (Incorrect Authorization) The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

External References

https://www.cve.org/CVERecord?id=CVE-2025-6003 https://www.wordfence.com/threat-intel/vulnerabilities/id/51aa5531-e5b3-4c47-8d06-58eac6dd92fb

CVSS Vector

5.3

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityLow
IntegrityNone
AvailabilityNone

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