Question 1

What is this vulnerability? (Essence + Consequences)

Accepted Answer

🚨 **Essence**: Arbitrary File Upload in SurveyJS plugin. 📉 **Consequences**: Attackers can upload malicious files (e.g., webshells), leading to **Remote Code Execution (RCE)** and full server compromise.…

Question 2

Root Cause? (CWE/Flaw)

Accepted Answer

🛡️ **Root Cause**: Missing file type validation. 🚫 The plugin allows uploading **dangerous file types** without checking extensions or content. 📂 **CWE-434**: Unrestricted Upload of File with Dangerous Type.

Question 3

Who is affected? (Versions/Components)

Accepted Answer

📦 **Product**: WordPress Plugin: SurveyJS: Drag & Drop Form Builder. 🏢 **Vendor**: devsoftbaltic. 📅 **Affected Versions**: **1.9.136 and earlier**. ✅ Safe if version > 1.9.136.

Question 4

What can hackers do? (Privileges/Data)

Accepted Answer

🕵️ **Attacker Action**: Upload arbitrary files (PHP shells, etc.). 🔓 **Privileges**: Requires **Authenticated** access (Subscriber+ level).…

Question 5

Is exploitation threshold high? (Auth/Config)

Accepted Answer

⚠️ **Threshold**: Medium. 🚪 **Auth Required**: Yes, needs **Subscriber+** account. 🌐 **Network**: Remote (AV:N). 📉 **Complexity**: Low (AC:L). No user interaction needed (UI:N).

Question 6

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

Accepted Answer

💻 **Exploit Available**: Yes! 📂 **PoC**: Public GitHub PoC by RandomRobbieBF. 🔗 Link: `https://github.com/RandomRobbieBF/CVE-2024-50427`. ⚡ **Status**: Active exploitation possible for authenticated users.

Question 7

How to self-check? (Features/Scanning)

Accepted Answer

🔍 **Self-Check**: 1. Check WP Plugin list for 'SurveyJS'. 2. Verify version ≤ 1.9.136. 3. Scan for uploaded `.php` or `.exe` files in upload directories. 🧪 Use automated scanners detecting CWE-434.

Question 8

Is it fixed officially? (Patch/Mitigation)

Accepted Answer

🔧 **Fix**: Update SurveyJS plugin to version **> 1.9.136**. 📢 **Vendor**: devsoftbaltic. 📅 **Published**: 2024-10-29. 🔄 Patchstack also lists this vulnerability entry.

Question 9

What if no patch? (Workaround)

Accepted Answer

🚧 **No Patch?**: 1. **Disable** the plugin immediately. 2. **Restrict** file upload permissions in `wp-config.php` or server config. 3. **Block** `.php` execution in upload folders via `.htaccess` or Nginx rules.…

Question 10

Is it urgent? (Priority Suggestion)

Accepted Answer

🔥 **Urgency**: HIGH. 🚨 CVSS Score: **9.8** (Critical). ⚡ Even with auth requirement, Subscriber accounts are easy to obtain. 💣 RCE risk is severe. 🏃 **Action**: Patch or disable IMMEDIATELY.

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CVE-2024-50427 — AI Deep Analysis Summary

Q1What is this vulnerability? (Essence + Consequences)

Q2Root Cause? (CWE/Flaw)

Q3Who is affected? (Versions/Components)

Q4What can hackers do? (Privileges/Data)

Q5Is exploitation threshold high? (Auth/Config)

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

Q7How to self-check? (Features/Scanning)

Q8Is it fixed officially? (Patch/Mitigation)

Q9What if no patch? (Workaround)

Q10Is it urgent? (Priority Suggestion)

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