CVE-2022-4395 — AI Deep Analysis Summary

Q: What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: Unauthenticated Arbitrary File Upload in 'Membership For WooCommerce'. 💥 **Consequences**: Attackers upload malicious PHP files → Remote Code Execution (RCE) → Full server compromise.

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: Lack of file validation on uploads. 🔍 **CWE**: Implicitly CWE-434 (Unrestricted Upload of File with Dangerous Type). The plugin fails to verify file types/extensions.

Q: Who is affected? (Versions/Components)

📦 **Affected Product**: WordPress Plugin: **Membership For WooCommerce**. 📉 **Versions**: **< 2.1.7**. (2.1.7 and later are safe).

Q: What can hackers do? (Privileges/Data)

💀 **Attacker Capabilities**: 1. Upload arbitrary files (e.g., `.php` webshells). 2. Execute code remotely. 3. Gain full control of the WordPress site/server.

Q: Is exploitation threshold high? (Auth/Config)

⚡ **Exploitation Threshold**: **LOW**. 🔓 **Auth**: **Unauthenticated**. No login required. ⚙️ **Config**: Default settings likely vulnerable.

Q: Is there a public Exp? (PoC/Wild Exploitation)

🔥 **Public Exploit**: **YES**. 📂 **PoC**: Available on GitHub (MrG3P5/CVE-2022-4395). 🤖 **Automation**: Mass auto-exploit scripts exist.

Q: Is it fixed officially? (Patch/Mitigation)

🩹 **Official Fix**: **YES**. ✅ **Patch**: Update plugin to **version 2.1.7 or higher**. 📝 **Source**: WPScan VDB entry confirms fix.

Q: What if no patch? (Workaround)

🚧 **No Patch Workaround**: 1. **Disable/Deactivate** the plugin immediately. 2. Restrict upload permissions via `.htaccess` (block `.php` in upload dirs). 3. Use WAF to block file upload requests.

Q: Is it urgent? (Priority Suggestion)

🚨 **Urgency**: **CRITICAL**. ⏳ **Priority**: **IMMEDIATE ACTION**. 📉 **Risk**: High impact (RCE) + Low barrier (Unauth) + Active Exploits. Patch now!

Updated May 08, 2026

This is a summary of the AI-generated 10-question deep analysis. The full version (longer answers, follow-up Q&A, related CVEs) requires login. Read the full analysis →

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: Unauthenticated Arbitrary File Upload in 'Membership For WooCommerce'. <br>💥 **Consequences**: Attackers upload malicious PHP files → Remote Code Execution (RCE) → Full server compromise.

Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: Lack of file validation on uploads. <br>🔍 **CWE**: Implicitly CWE-434 (Unrestricted Upload of File with Dangerous Type). The plugin fails to verify file types/extensions.

Q3Who is affected? (Versions/Components)

📦 **Affected Product**: WordPress Plugin: **Membership For WooCommerce**. <br>📉 **Versions**: **< 2.1.7**. (2.1.7 and later are safe).

Q4What can hackers do? (Privileges/Data)

💀 **Attacker Capabilities**: <br>1. Upload arbitrary files (e.g., `.php` webshells). <br>2. Execute code remotely. <br>3. Gain full control of the WordPress site/server.

Q5Is exploitation threshold high? (Auth/Config)

⚡ **Exploitation Threshold**: **LOW**. <br>🔓 **Auth**: **Unauthenticated**. No login required. <br>⚙️ **Config**: Default settings likely vulnerable.

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

🔥 **Public Exploit**: **YES**. <br>📂 **PoC**: Available on GitHub (MrG3P5/CVE-2022-4395). <br>🤖 **Automation**: Mass auto-exploit scripts exist.

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: <br>1. Check WP Plugin list for 'Membership For WooCommerce'. <br>2. Verify version number. <br>3. Scan for uploaded `.php` files in `wp-content/uploads`. <br>4.…

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Q8Is it fixed officially? (Patch/Mitigation)

🩹 **Official Fix**: **YES**. <br>✅ **Patch**: Update plugin to **version 2.1.7 or higher**. <br>📝 **Source**: WPScan VDB entry confirms fix.

Q9What if no patch? (Workaround)

🚧 **No Patch Workaround**: <br>1. **Disable/Deactivate** the plugin immediately. <br>2. Restrict upload permissions via `.htaccess` (block `.php` in upload dirs). <br>3. Use WAF to block file upload requests.

Q10Is it urgent? (Priority Suggestion)

🚨 **Urgency**: **CRITICAL**. <br>⏳ **Priority**: **IMMEDIATE ACTION**. <br>📉 **Risk**: High impact (RCE) + Low barrier (Unauth) + Active Exploits. Patch now!

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