CVE Catalog

CVE-2026-11907

MediumCVSS 6.5
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.23%

14th percentile - higher than 14% of all known CVEs

Summary

The Stream plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.2.0, due to the plugin not properly verifying that a user is authorized to perform an action. This allows authenticated attackers with subscriber-level access and above to access all Stream activity records via the Heartbeat API.

Risk Assessment

The risk includes unauthorized access to activity logs, potentially revealing sensitive information about user and system actions.

Recommendation

It is recommended to update the Stream plugin to the latest version and review subscriber-level user permissions.

Related vulnerabilities

Original NVD description (English source)

The Stream plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 4.2.0. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with subscriber-level access and above, to access all Stream activity records via the Heartbeat API.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS