PHP2Shell is a pair of critical flaws inside PHP itself, so updating WordPress or your framework fixes nothing. Here is what broke, who is exposed, how to patch every common setup, and how to prove the fix is actually running.
A 403 from ModSecurity almost never names the rule you need to change. Under anomaly scoring, detection rules only add to a score and a separate blocking rule returns the error. This guide covers reading the audit log backwards, choosing between the four exclusion mechanisms, the WordPress failure families that cause most false positives, and why raising the anomaly threshold quietly destroys your coverage.
Learn how to debug WordPress like a professional. Discover how to fix common WordPress errors, optimize performance, improve security, troubleshoot plugins, themes, databases, and server issues with this complete step-by-step guide.