CVE-2026-4299

Description

The MainWP Child Reports plugin for WordPress is vulnerable to Missing Authorization in all versions up to and including 2.2.6. This is due to a missing capability check in the heartbeat_received() function in the Live_Update class. This makes it possible for authenticated attackers, with Subscriber-level access and above, to obtain MainWP Child Reports activity log entries (including action summaries, user information, IP addresses, and contextual data) via the WordPress Heartbeat API by sending a crafted heartbeat request with the 'wp-mainwp-stream-heartbeat' data key.

References

• https://plugins.trac.wordpress.org/browser/mainwp-child-reports/tags/2.2.6/classes/class-live-update.php#L182
• https://plugins.trac.wordpress.org/browser/mainwp-child-reports/tags/2.2.6/classes/class-live-update.php#L44
• https://plugins.trac.wordpress.org/browser/mainwp-child-reports/trunk/classes/class-live-update.php#L182
• https://plugins.trac.wordpress.org/browser/mainwp-child-reports/trunk/classes/class-live-update.php#L44
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3490157%40mainwp-child-reports&new=3490157%40mainwp-child-reports&sfp_email=&sfph_mail=