CVE-2026-1405 — AI Deep Analysis Summary

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

🚨 **Essence**: Unrestricted File Upload in Slider Future. 💥 **Consequences**: Attackers upload **arbitrary files** (e.g., webshells). Full server compromise possible. Critical integrity & availability loss.

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: Missing file type validation in `slider_future_handle_image_upload`. 🔍 **CWE**: CWE-434 (Unrestricted Upload of File with Dangerous Type). The function blindly accepts uploads.

Q: Who is affected? (Versions/Components)

📦 **Affected**: WordPress Plugin **Slider Future**. 📅 **Version**: **1.0.5 and earlier**. 🏢 **Vendor**: franchidesign. ⚠️ **Platform**: WordPress (PHP/MySQL).

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

💀 **Hackers Can**: Upload **any file** (PHP shells, scripts). 🔓 **Privileges**: Unauthenticated access. 📊 **Impact**: High (CVSS 9.8). Full RCE potential. Data theft & site defacement.

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

📉 **Threshold**: **LOW**. 🔑 **Auth**: **None required** (Unauthenticated). 🌐 **Network**: Remote (AV:N). 👤 **User Interaction**: None (UI:N). Easy to exploit.

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

🔥 **Public Exp?**: **YES**. 📂 **PoC**: Available on GitHub (Nxploited). 🤖 **Automation**: Nuclei templates exist. ⚡ **Status**: Wild exploitation likely imminent.

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

🛠️ **Fix**: Update Slider Future to **> 1.0.5**. 📝 **Source**: WordPress Trac & Vendor site. 🔄 **Action**: Immediate patching recommended. Check official changelog for fix details.

Q: What if no patch? (Workaround)

🚧 **No Patch?**: Disable plugin immediately. 🛑 **Mitigation**: Remove upload functionality via code patching (add MIME validation). 🔒 **WAF**: Block `.php` uploads to upload directories. Isolate affected server.

Q: Is it urgent? (Priority Suggestion)

🚨 **Urgency**: **CRITICAL**. ⏱️ **Priority**: **P0**. 📢 **Reason**: Unauthenticated, high CVSS, public PoC. Patch **NOW** to prevent RCE.

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**: Unrestricted File Upload in Slider Future. <br>💥 **Consequences**: Attackers upload **arbitrary files** (e.g., webshells). Full server compromise possible. Critical integrity & availability loss.

Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: Missing file type validation in `slider_future_handle_image_upload`. <br>🔍 **CWE**: CWE-434 (Unrestricted Upload of File with Dangerous Type). The function blindly accepts uploads.

Q3Who is affected? (Versions/Components)

📦 **Affected**: WordPress Plugin **Slider Future**. <br>📅 **Version**: **1.0.5 and earlier**. <br>🏢 **Vendor**: franchidesign. <br>⚠️ **Platform**: WordPress (PHP/MySQL).

Q4What can hackers do? (Privileges/Data)

💀 **Hackers Can**: Upload **any file** (PHP shells, scripts). <br>🔓 **Privileges**: Unauthenticated access. <br>📊 **Impact**: High (CVSS 9.8). Full RCE potential. Data theft & site defacement.

Q5Is exploitation threshold high? (Auth/Config)

📉 **Threshold**: **LOW**. <br>🔑 **Auth**: **None required** (Unauthenticated). <br>🌐 **Network**: Remote (AV:N). <br>👤 **User Interaction**: None (UI:N). Easy to exploit.

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

🔥 **Public Exp?**: **YES**. <br>📂 **PoC**: Available on GitHub (Nxploited). <br>🤖 **Automation**: Nuclei templates exist. <br>⚡ **Status**: Wild exploitation likely imminent.

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: Scan for `slider_future_handle_image_upload` endpoint. <br>📡 **Tools**: Use Nuclei template `CVE-2026-1405.yaml`. <br>👀 **Manual**: Check plugin version in WP admin.…

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Q8Is it fixed officially? (Patch/Mitigation)

🛠️ **Fix**: Update Slider Future to **> 1.0.5**. <br>📝 **Source**: WordPress Trac & Vendor site. <br>🔄 **Action**: Immediate patching recommended. Check official changelog for fix details.

Q9What if no patch? (Workaround)

🚧 **No Patch?**: Disable plugin immediately. <br>🛑 **Mitigation**: Remove upload functionality via code patching (add MIME validation). <br>🔒 **WAF**: Block `.php` uploads to upload directories. Isolate affected server.

Q10Is it urgent? (Priority Suggestion)

🚨 **Urgency**: **CRITICAL**. <br>⏱️ **Priority**: **P0**. <br>📢 **Reason**: Unauthenticated, high CVSS, public PoC. Patch **NOW** to prevent RCE.

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Vulnerability detail Full AI analysis (login) franchidesign CWE-434