kk Star Ratings <= 5.4.3 - IP Spoofing to Protection Mechanism Bypass

2023-07-17 00:00
Kévin Mosbahi (Mika)

Strategic Overview

Vulnerability Overview

The kk Star Ratings plugin for WordPress is vulnerable to IP Address Spoofing in versions up to, and including, 5.4.3. This is due to the plugin prioritizing obtaining a visitor's IP address from a spoofable HTTP header over PHP's REMOTE_ADDR. Attackers can supply a header with with a different IP Address that can be used to bypass the 'Unique votes (based on IP Address)' setting.

Technical Analysis

REMEDIATION: Update to version 5.4.4, or a newer patched version --- IDENTIFIER: CWE-862 (Missing Authorization) The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

External References

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