CVE-2025-6440 — AI Deep Analysis Summary

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: Missing **file type validation** in the `wcdp_save_canvas_design_ajax` function. 🔍 **CWE**: CWE-434 (Arbitrary Upload of File with Dangerous Type). The system blindly accepts any file extension.

Q: Who is affected? (Versions/Components)

📦 **Affected**: WordPress Plugin **WooCommerce Designer Pro**. 📅 **Version**: **1.9.26 and earlier**. 🏢 **Vendor**: JMA Plugins. Often bundled with themes like *Pricom - Printing Company & Design Services*.

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

🔓 **Threshold**: **LOW**. 👤 **Auth**: **Unauthenticated**. No login required. ⚙️ **Config**: Exploits the AJAX endpoint directly. Easy to trigger via simple HTTP requests.

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

🔥 **Public Exploits**: **YES**. Multiple PoCs available on GitHub (e.g., Pwdnx1337, Nxploited). 📜 **Tools**: Mass uploaders and Nuclei templates are already circulating. Wild exploitation is highly likely.

Q: Is it urgent? (Priority Suggestion)

⚡ **Urgency**: **CRITICAL**. 🚀 **Priority**: **IMMEDIATE ACTION**. 📉 **Risk**: High CVSS (9.8) + Unauthenticated + Public Exploits = **Active Threat**. Patch or disable NOW.

Updated May 06, 2026 CVSS 9.8 · Critical

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**: A critical code flaw in WooCommerce Designer Pro allows **arbitrary file uploads**.…

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Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: Missing **file type validation** in the `wcdp_save_canvas_design_ajax` function. <br>🔍 **CWE**: CWE-434 (Arbitrary Upload of File with Dangerous Type). The system blindly accepts any file extension.

Q3Who is affected? (Versions/Components)

📦 **Affected**: WordPress Plugin **WooCommerce Designer Pro**. <br>📅 **Version**: **1.9.26 and earlier**. <br>🏢 **Vendor**: JMA Plugins. Often bundled with themes like *Pricom - Printing Company & Design Services*.

Q4What can hackers do? (Privileges/Data)

💀 **Attacker Capabilities**: <br>1. Upload **any file** (PHP shells, webshells). <br>2. Achieve **Remote Code Execution (RCE)**. <br>3. Steal sensitive data, modify site content, or pivot to internal networks. <br>4.…

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Q5Is exploitation threshold high? (Auth/Config)

🔓 **Threshold**: **LOW**. <br>👤 **Auth**: **Unauthenticated**. No login required. <br>⚙️ **Config**: Exploits the AJAX endpoint directly. Easy to trigger via simple HTTP requests.

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

🔥 **Public Exploits**: **YES**. Multiple PoCs available on GitHub (e.g., Pwdnx1337, Nxploited). <br>📜 **Tools**: Mass uploaders and Nuclei templates are already circulating. Wild exploitation is highly likely.

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: <br>1. Scan for **WooCommerce Designer Pro** plugin. <br>2. Check version number (≤ 1.9.26). <br>3. Use Nuclei templates targeting CVE-2025-6440. <br>4.…

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Q8Is it fixed officially? (Patch/Mitigation)

🩹 **Fix**: Update plugin to **version 1.9.27 or later**. <br>⚠️ **Note**: The provided data does not explicitly list a patch date, but the vendor (JMA Plugins) is the source.…

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Q9What if no patch? (Workaround)

🚧 **Workaround (No Patch)**: <br>1. **Disable/Deactivate** the plugin immediately if not essential. <br>2. Block access to `admin-ajax.php` or specific action parameters via WAF. <br>3.…

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Q10Is it urgent? (Priority Suggestion)

⚡ **Urgency**: **CRITICAL**. <br>🚀 **Priority**: **IMMEDIATE ACTION**. <br>📉 **Risk**: High CVSS (9.8) + Unauthenticated + Public Exploits = **Active Threat**. Patch or disable NOW.

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Vulnerability detail Full AI analysis (login) JMA Plugins CWE-434