CVE-2025-23921 — AI Deep Analysis Summary

Q: Who is affected? (Versions/Components)

👥 **Affected**: Vendor: **sh1zen**. 📦 **Product**: Multi Uploader for Gravity Forms (WordPress Plugin). 📅 **Versions**: **1.1.3 and earlier**. If you are on v1.1.3 or below, you are at risk!

Q: How to self-check? (Features/Scanning)

🔍 **Self-Check**: 1. Check WordPress Admin > Plugins. 2. Look for **'Multi Uploader for Gravity Forms'**. 3. Verify version number. Is it **≤ 1.1.3**? 4. Scan for unknown files in upload directories if compromised.

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

🛠️ **Fix**: Update the plugin to the **latest version** (> 1.1.3). 📢 **Official Patch**: Refer to Patchstack database for the fixed release. The vendor (sh1zen) should have released a patch addressing CWE-434.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **HIGH**. ⚠️ **Priority**: **P1**. CVSS Score indicates Critical Impact (C:H, I:H, A:H). No auth required makes it easy to exploit. Patch immediately to prevent server takeover.

Updated May 06, 2026 CVSS 9.0 · 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**: Arbitrary File Upload in 'Multi Uploader for Gravity Forms'.
💥 **Consequences**: Attackers can upload malicious files (e.g., webshells).…

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Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-434** (Unrestricted Upload of File with Dangerous Type).
🔍 **Flaw**: The plugin fails to validate file types during upload.…

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Q3Who is affected? (Versions/Components)

👥 **Affected**: Vendor: **sh1zen**.
📦 **Product**: Multi Uploader for Gravity Forms (WordPress Plugin).
📅 **Versions**: **1.1.3 and earlier**. If you are on v1.1.3 or below, you are at risk!

Q4What can hackers do? (Privileges/Data)

🕵️ **Hacker Actions**: Upload executable scripts (PHP/ASP). Execute code on the server.
🔓 **Privileges**: Gain **Remote Code Execution (RCE)**.…

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Q5Is exploitation threshold high? (Auth/Config)

📉 **Threshold**: **Low** (CVSS AC: High means complex exploitation, but PR: None & UI: None).
✅ **Auth**: **No Authentication Required** (PR:N).
🖱️ **User Interaction**: **None Required** (UI:N).…

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

📜 **Public Exp?**: **No PoC provided** in the data.
🌐 **Status**: References point to Patchstack DB. While no code is public, the vulnerability type is well-known.…

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Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**:
Check WordPress Admin > Plugins.
Look for **'Multi Uploader for Gravity Forms'**.
Verify version number. Is it **≤ 1.1.3**?
Scan for unknown files in upload directories if compromised.

Q8Is it fixed officially? (Patch/Mitigation)

🛠️ **Fix**: Update the plugin to the **latest version** (> 1.1.3).
📢 **Official Patch**: Refer to Patchstack database for the fixed release. The vendor (sh1zen) should have released a patch addressing CWE-434.

Q9What if no patch? (Workaround)

🚧 **No Patch Workaround**:
**Disable/Deactivate** the plugin immediately.
Restrict file upload permissions in `wp-config.php` or server config.
…

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Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **HIGH**.
⚠️ **Priority**: **P1**. CVSS Score indicates Critical Impact (C:H, I:H, A:H). No auth required makes it easy to exploit. Patch immediately to prevent server takeover.

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Vulnerability detail Full AI analysis (login) sh1zen CWE-434