CVE-2025-31612 — AI Deep Analysis Summary

Q: Who is affected? (Versions/Components)

👥 **Affected**: **WordPress Plugin: CBX Poll**. 📦 **Version**: **1.2.7 and earlier**. 🏢 **Vendor**: Sabuj Kundu.

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

📢 **Public Exploit**: **No specific PoC provided** in the data. ⚠️ **Status**: High severity (CVSS 9.8) implies high risk of wild exploitation, but no public code snippet is listed in the references.

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

🔍 **Self-Check**: 1. Check WordPress Dashboard for **CBX Poll** plugin. 2. Verify version is **≤ 1.2.7**. 3. Use scanners to detect **PHP Object Injection** patterns in plugin files.

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

🛠️ **Official Fix**: **Yes**. 📥 **Action**: Update CBX Poll to the latest version. 🔗 **Reference**: Patchstack database entry confirms the vulnerability and fix availability.

Q: What if no patch? (Workaround)

🚧 **No Patch Workaround**: 1. **Disable/Deactivate** the CBX Poll plugin immediately. 2. **Remove** the plugin if not needed. 3. **WAF**: Block requests containing serialized PHP object payloads.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. 🚨 **Priority**: **P0**. 💡 **Reason**: High CVSS score (9.8), no auth required, and remote code execution potential. Patch immediately!

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**: CBX Poll <1.2.7 suffers from **Unserialize of Untrusted Data**. <br>💥 **Consequences**: Leads to **PHP Object Injection**.…

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Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-502** (Deserialization of Untrusted Data).…

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Q3Who is affected? (Versions/Components)

👥 **Affected**: **WordPress Plugin: CBX Poll**. <br>📦 **Version**: **1.2.7 and earlier**. <br>🏢 **Vendor**: Sabuj Kundu.

Q4What can hackers do? (Privileges/Data)

💀 **Attacker Capabilities**: <br>🔓 **Privileges**: Can execute arbitrary code via object injection.…

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Q5Is exploitation threshold high? (Auth/Config)

⚡ **Exploitation Threshold**: **LOW**. <br>🌐 **Network**: Attack Vector is Network (AV:N). <br>🔑 **Auth**: No Privileges Required (PR:N). <br>👀 **UI**: No User Interaction Needed (UI:N).…

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

📢 **Public Exploit**: **No specific PoC provided** in the data. <br>⚠️ **Status**: High severity (CVSS 9.8) implies high risk of wild exploitation, but no public code snippet is listed in the references.

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: <br>1. Check WordPress Dashboard for **CBX Poll** plugin. <br>2. Verify version is **≤ 1.2.7**. <br>3. Use scanners to detect **PHP Object Injection** patterns in plugin files.

Q8Is it fixed officially? (Patch/Mitigation)

🛠️ **Official Fix**: **Yes**. <br>📥 **Action**: Update CBX Poll to the latest version. <br>🔗 **Reference**: Patchstack database entry confirms the vulnerability and fix availability.

Q9What if no patch? (Workaround)

🚧 **No Patch Workaround**: <br>1. **Disable/Deactivate** the CBX Poll plugin immediately. <br>2. **Remove** the plugin if not needed. <br>3. **WAF**: Block requests containing serialized PHP object payloads.

Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. <br>🚨 **Priority**: **P0**. <br>💡 **Reason**: High CVSS score (9.8), no auth required, and remote code execution potential. Patch immediately!

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Vulnerability detail Full AI analysis (login) Sabuj Kundu CWE-502