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Q1What is this vulnerability? (Essence + Consequences)
🚨 **Essence**: Unrestricted file upload in **Fancy Product Designer** plugin.…
🛡️ **Root Cause**: **CWE-434** (Unrestricted Upload of File with Dangerous Type). The plugin fails to validate file types/extensions during upload, allowing dangerous scripts to bypass security checks.
Q3Who is affected? (Versions/Components)
📦 **Affected**: **radykal**'s **Fancy Product Designer** for WordPress. 📉 **Version**: **6.4.3** and all **previous versions**. Requires WordPress environment.
Q4What can hackers do? (Privileges/Data)
🕵️ **Hacker Actions**: Upload arbitrary files (PHP shells). 🗝️ **Privileges**: Gain **High** impact on Confidentiality, Integrity, and Availability. Can execute code, steal data, or deface the site.
Q5Is exploitation threshold high? (Auth/Config)
🔓 **Threshold**: **Low**. CVSS indicates **AV:N** (Network), **PR:N** (No Privileges needed), **UI:N** (No User Interaction). It is **Unauthenticated** and exploitable remotely.
Q6Is there a public Exp? (PoC/Wild Exploitation)
📜 **Exploit Status**: No specific PoC code provided in data. However, references point to **Patchstack** database entries confirming the vulnerability exists. Wild exploitation is likely given the low barrier.
Q7How to self-check? (Features/Scanning)
🔍 **Self-Check**: Scan for **Fancy Product Designer** plugin version. Check if version is **≤ 6.4.3**. Look for unauthorized file uploads or suspicious PHP files in upload directories.
Q8Is it fixed officially? (Patch/Mitigation)
🩹 **Fix**: Upgrade to a version **newer than 6.4.3**. The vendor (radykal) has addressed the issue. Check official WordPress plugin repository for the latest patch.
Q9What if no patch? (Workaround)
🚧 **No Patch Workaround**: Disable the plugin if not needed. Restrict upload permissions via **server config** (e.g., block PHP execution in upload folders). Implement **WAF** rules to block dangerous file extensions.
Q10Is it urgent? (Priority Suggestion)
⚡ **Urgency**: **HIGH**. CVSS vector suggests **High** severity (C:H, I:H, A:H). Unauthenticated RCE via file upload is critical. Patch immediately to prevent server takeover.