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CVE-2025-23921 β€” AI Deep Analysis Summary

CVSS 9.0 Β· Critical

Q1What is this vulnerability? (Essence + Consequences)

🚨 **Essence**: Arbitrary File Upload in 'Multi Uploader for Gravity Forms'. πŸ’₯ **Consequences**: Attackers can upload malicious files (e.g., webshells).…

Q2Root Cause? (CWE/Flaw)

πŸ›‘οΈ **Root Cause**: **CWE-434** (Unrestricted Upload of File with Dangerous Type). πŸ” **Flaw**: The plugin fails to validate file types during upload.…

Q3Who is affected? (Versions/Components)

πŸ‘₯ **Affected**: Vendor: **sh1zen**. πŸ“¦ **Product**: Multi Uploader for Gravity Forms (WordPress Plugin). πŸ“… **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)

πŸ•΅οΈ **Hacker Actions**: Upload executable scripts (PHP/ASP). Execute code on the server. πŸ”“ **Privileges**: Gain **Remote Code Execution (RCE)**.…

Q5Is exploitation threshold high? (Auth/Config)

πŸ“‰ **Threshold**: **Low** (CVSS AC: High means complex exploitation, but PR: None & UI: None). βœ… **Auth**: **No Authentication Required** (PR:N). πŸ–±οΈ **User Interaction**: **None Required** (UI:N).…

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

πŸ“œ **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.…

Q7How to self-check? (Features/Scanning)

πŸ” **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.

Q8Is it fixed officially? (Patch/Mitigation)

πŸ› οΈ **Fix**: Update the plugin to the **latest version** (> 1.1.3). πŸ“’ **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**: 1. **Disable/Deactivate** the plugin immediately. 2. Restrict file upload permissions in `wp-config.php` or server config. 3.…

Q10Is it urgent? (Priority Suggestion)

πŸ”₯ **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.