CVE-2025-66074 — AI Deep Analysis Summary

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

🚨 **Essence**: Arbitrary file upload in WP Webhooks. 💥 **Consequences**: Path traversal attacks. 📉 **Impact**: Full system compromise via dangerous file uploads.

Q: Root Cause? (CWE/Flaw)

🛡️ **CWE**: CWE-434 (Unrestricted Upload of File with Dangerous Type). 🔍 **Flaw**: Inadequate validation of uploaded file types.

Q: Who is affected? (Versions/Components)

🏢 **Vendor**: Cozmoslabs. 📦 **Product**: WP Webhooks. 📅 **Affected**: Versions 3.3.8 and earlier.

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

🕵️ **Hackers Can**: Upload malicious files. 🔓 **Privileges**: Execute code on the server. 📂 **Data**: Access sensitive data via path traversal.

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

🔑 **Auth**: None required (PR:N). 🌐 **Network**: Remote (AV:N). ⚖️ **Complexity**: High (AC:H). 📊 **Summary**: Easy to reach, harder to exploit technically.

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

📜 **Public Exp?**: No PoCs listed in data. 🌍 **Wild Exp**: Unknown. ⚠️ **Status**: Theoretical risk until proven otherwise.

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

🔍 **Check**: Scan for WP Webhooks plugin. 📊 **Version**: Verify if ≤ 3.3.8. 🛠️ **Tool**: Use vulnerability scanners for CWE-434.

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

🛡️ **Fix**: Update WP Webhooks > 3.3.8. 📝 **Source**: Patchstack & Vendor advisories. ✅ **Action**: Immediate patching recommended.

Q: What if no patch? (Workaround)

🚧 **Workaround**: Disable file upload features. 🚫 **Block**: Restrict dangerous file extensions. 🔒 **Isolate**: Limit web server permissions.

Q: Is it urgent? (Priority Suggestion)

⚡ **Urgency**: High. 📈 **CVSS**: 8.8 (High). 🎯 **Priority**: Patch immediately. 🛡️ **Risk**: Critical impact on confidentiality/integrity.

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 WP Webhooks. <br>💥 **Consequences**: Path traversal attacks. <br>📉 **Impact**: Full system compromise via dangerous file uploads.

Q2Root Cause? (CWE/Flaw)

🛡️ **CWE**: CWE-434 (Unrestricted Upload of File with Dangerous Type). <br>🔍 **Flaw**: Inadequate validation of uploaded file types.

Q3Who is affected? (Versions/Components)

🏢 **Vendor**: Cozmoslabs. <br>📦 **Product**: WP Webhooks. <br>📅 **Affected**: Versions 3.3.8 and earlier.

Q4What can hackers do? (Privileges/Data)

🕵️ **Hackers Can**: Upload malicious files. <br>🔓 **Privileges**: Execute code on the server. <br>📂 **Data**: Access sensitive data via path traversal.

Q5Is exploitation threshold high? (Auth/Config)

🔑 **Auth**: None required (PR:N). <br>🌐 **Network**: Remote (AV:N). <br>⚖️ **Complexity**: High (AC:H). <br>📊 **Summary**: Easy to reach, harder to exploit technically.

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

📜 **Public Exp?**: No PoCs listed in data. <br>🌍 **Wild Exp**: Unknown. <br>⚠️ **Status**: Theoretical risk until proven otherwise.

Q7How to self-check? (Features/Scanning)

🔍 **Check**: Scan for WP Webhooks plugin. <br>📊 **Version**: Verify if ≤ 3.3.8. <br>🛠️ **Tool**: Use vulnerability scanners for CWE-434.

Q8Is it fixed officially? (Patch/Mitigation)

🛡️ **Fix**: Update WP Webhooks > 3.3.8. <br>📝 **Source**: Patchstack & Vendor advisories. <br>✅ **Action**: Immediate patching recommended.

Q9What if no patch? (Workaround)

🚧 **Workaround**: Disable file upload features. <br>🚫 **Block**: Restrict dangerous file extensions. <br>🔒 **Isolate**: Limit web server permissions.

Q10Is it urgent? (Priority Suggestion)

⚡ **Urgency**: High. <br>📈 **CVSS**: 8.8 (High). <br>🎯 **Priority**: Patch immediately. <br>🛡️ **Risk**: Critical impact on confidentiality/integrity.

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