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Vulnerabilities

Vulnerability · CVE-2025-6003

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 includ

Published Jun 12, 2025 · catalog updated Apr 8, 2026 · WordPress Single Sign-On (SSO) - Multisite All-Inclusive

Check if you run it

No confirmed exploitation is on record for CVE-2025-6003. EPSS is 0.30%. Act only if a listed version of WordPress Single Sign-On (SSO) - Multisite All-Inclusive is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.30%
Remediation
Vendor / distro source
Affected products
vendor cyberlord92 WordPress Single Sign-On (SSO) - Multisite All-Inclusive 0 ≤50.5.3

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor cyberlord92 WordPress Single Sign-On (SSO) - Multisite All-Inclusive 0 ≤50.5.30 ≤50.5.3

How to fix CVE-2025-6003

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-6003. EPSS is 0.30%. Act only if a listed version of WordPress Single Sign-On (SSO) - Multisite All-Inclusive is installed.

Which versions are affected?

Compare what you have installed with cyberlord92 WordPress Single Sign-On (SSO) - Multisite All-Inclusive 0 ≤50.5.3 0 ≤50.5.3. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.30%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

WordPress security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 12, 2025 · EUVD

    Detected

    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.

  2. Apr 8, 2026 · EUVD

    Updated

    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.

Sources

  • CVE.orgVulnerability recordCVE-2025-6003

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-6003

    30-day exploitation probability 0.3%

    first.org
  • EUVDVulnerability recordEUVD-2025-18162

    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 extra

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.