CVE-2026-4299
Medium · 5.3CVSS
5.3
EPSS
0.4%
Published
Apr 8, 2026
CISA due date
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The record
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.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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