Patching a WHMCS zero day on day zero
Oct 3, 2013Dane Knecht
Summary
This post details the addition of a Web Application Firewall (WAF) ruleset to block a specific zero-day vulnerability affecting WHMCS. It recommends enabling this ruleset for hosting partners using WHMCS behind Cloudflare's WAF and advises applying the official WHMCS patch or updating to version 5.2.8.
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