Description
WordPress Plugin WP Visitor Statistics (Real Time Traffic) is prone to a security bypass vulnerability. Exploiting this issue may allow attackers to perform otherwise restricted actions and subsequently make an unauthorized AJAX call and add an arbitrary IP address to exclude. WordPress Plugin WP Visitor Statistics (Real Time Traffic) version 5.4 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 5.5 or latest
References
https://sploitus.com/exploit?id=WPEX-ID:05B9E478-2D3B-4460-88C1-7F81D3A68AC4
https://plugins.svn.wordpress.org/wp-stats-manager/trunk/readme.txt
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