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CVE-2021-24527 — AI Deep Analysis Summary

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: Profile Builder plugin has a broken auth check in password reset. 📉 **Consequences**: Any user can reset admin passwords. Admins get NO email notification. Total site compromise possible.

Q2Root Cause? (CWE/Flaw)

🛡️ **CWE-287**: Improper Authentication. 🔍 **Flaw**: The method checking the reset key allows bypassing restrictions. It fails to verify the user's identity properly before allowing the reset.

Q3Who is affected? (Versions/Components)

📦 **Product**: User Registration & User Profile – Profile Builder. 📅 **Affected**: Versions **before 3.4.9**. 🌐 **Platform**: WordPress sites using this specific plugin.

Q4What can hackers do? (Privileges/Data)

👑 **Privileges**: Gains **Administrative Access**. 💾 **Data**: Full control over the blog. 🔄 **Action**: Can reset passwords of ANY user, including admins. 🚫 **Stealth**: Admins are NOT notified via email.

Q5Is exploitation threshold high? (Auth/Config)

📉 **Threshold**: LOW. 🔓 **Auth**: **Unauthenticated**. No login required to exploit the password reset flaw. 🎯 **Target**: Any WordPress site running the vulnerable plugin version.

Q6Is there a public Exp? (PoC/Wild Exploitation)

🔓 **Exploit**: YES. 📜 **PoC**: Available via Nuclei templates (ProjectDiscovery). 🌍 **Status**: Publicly known. Automated scanners can detect and exploit this easily.

Q7How to self-check? (Features/Scanning)

🔍 **Check**: Scan for Profile Builder plugin version. 🛠️ **Tool**: Use Nuclei or WPScan. 📋 **Indicator**: Look for version < 3.4.9.…

Q8Is it fixed officially? (Patch/Mitigation)

✅ **Fixed**: YES. 📦 **Patch**: Update to **version 3.4.9 or later**. 🔄 **Action**: Immediate plugin update is the official mitigation.

Q9What if no patch? (Workaround)

🚧 **Workaround**: If update is impossible, disable the plugin temporarily. 🛑 **Block**: Restrict access to password reset endpoints via WAF.…

Q10Is it urgent? (Priority Suggestion)

🔥 **Priority**: CRITICAL. ⚡ **Urgency**: HIGH. 🚨 **Reason**: Unauthenticated RCE/Admin takeover. No notification to admins makes it stealthy. Fix immediately!