CVE-2026-11907: Xwp Stream – Activity Log & Audit Trail

Medium severity, CVSS 6.5. EPSS: 0.4% chance of exploitation in the next 30 days.

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.

Affected products

• Xwp Stream – Activity Log & Audit Trail: up to and including 4.2.0

Published 2026-08-07. Last modified 2026-08-12.