CVE-2021-24647 — AI Deep Analysis Summary

🚨 **Essence**: Pie Register plugin has a broken authorization flaw in social login. <br>💥 **Consequences**: Attackers can hijack ANY user account just by knowing their ID or username. No password needed! 🤯

🛡️ **CWE**: CWE-287 (Improper Authentication). <br>🔍 **Flaw**: The social login implementation fails to verify identity properly. It trusts the User ID/Username blindly without sufficient checks. 🚫

📦 **Product**: Registration Forms – User profile, Content Restriction, Spam Protection, Payment Gateways, Invitation Codes. <br>📉 **Affected**: Versions **below 3.7.1.6** (e.g., 3.7.1.4). 📌

👤 **Privileges**: Full access as the target user. <br>🔓 **Data**: Can login as Admin, Editors, or any subscriber. Complete account takeover! 💀

⚡ **Threshold**: LOW. <br>🔑 **Auth**: **Unauthenticated**. You don't need to be logged in. <br>📝 **Config**: Just need the victim's User ID or Username. Super easy to find! 🕵️‍♂️

💣 **Exploit**: YES. Public PoC exists on GitHub (RandomRobbieBF). <br>🛠️ **Tool**: `exploit.py` script automates the login hijack. Wild exploitation is highly likely. 🚀

🔍 **Check**: Scan for Pie Register plugin version. <br>📡 **Scanner**: Use Nuclei templates (`CVE-2021-24647.yaml`) to detect vulnerable instances automatically. 🤖

🩹 **Fix**: Update to version **3.7.1.6** or higher. <br>✅ **Status**: Patch is available from the vendor. Apply immediately! 🏃‍♂️

🛑 **Workaround**: If you can't patch, **disable the plugin** immediately. <br>🚫 **Mitigation**: Remove the social login feature or restrict access until updated. Safety first! 🛡️

🔥 **Priority**: **CRITICAL**. <br>⏰ **Urgency**: High. Easy to exploit, high impact (full account takeover). Fix NOW! ⚠️