CVE-2024-3070 — AI Deep Analysis Summary

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-502** (Deserialization of Untrusted Data). 🔍 **Flaw**: The plugin performs **PHP object unserialization** on data from the `LastViewedPosts` cookie without validation or sanitization.

Q: Who is affected? (Versions/Components)

📦 **Affected**: WordPress Plugin **Last Viewed Posts by WPBeginner**. 📅 **Versions**: **1.0.0** and earlier. 🏢 **Vendor**: jottlieb.

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

👑 **Privileges**: **Full Control**. 📂 **Data**: **High** impact on Confidentiality, Integrity, and Availability. Attackers can execute arbitrary code, modify files, and steal data.

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

⚡ **Threshold**: **LOW**. 🔓 **Auth**: **None Required** (PR:N). 🖱️ **UI**: **None Required** (UI:N). 🌐 **Network**: **Network** accessible (AV:N). 🎯 **Complexity**: **Low** (AC:L).

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

🧪 **Public Exp?**: **No PoC** listed in data. 🌍 **Wild Exp**: References from **WordFence** and **WordPress Trac** exist, indicating awareness, but no specific exploit code is provided in the dataset.

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

🔍 **Self-Check**: Scan for the plugin **Last Viewed Posts by WPBeginner**. 📋 **Version**: Check if version is **≤ 1.0.0**. 🕵️ **Indicator**: Look for usage of `unserialize()` on cookie inputs in the plugin code.

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

🩹 **Fixed?**: **Yes**. 📝 **Patch**: Update to the latest version. 🔗 **Ref**: See WordPress Trac changeset and WordFence advisory for official mitigation steps.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. ⚠️ **Priority**: **P1**. 🚀 **Action**: Patch **IMMEDIATELY**. CVSS Score is **9.8** (Critical). Zero auth required makes it highly dangerous.

Updated May 08, 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**: PHP Object Injection via **untrusted input** in `LastViewedPosts` Cookie. <br>💥 **Consequences**: Full Remote Code Execution (RCE).…

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Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-502** (Deserialization of Untrusted Data). <br>🔍 **Flaw**: The plugin performs **PHP object unserialization** on data from the `LastViewedPosts` cookie without validation or sanitization.

Q3Who is affected? (Versions/Components)

📦 **Affected**: WordPress Plugin **Last Viewed Posts by WPBeginner**. <br>📅 **Versions**: **1.0.0** and earlier. <br>🏢 **Vendor**: jottlieb.

Q4What can hackers do? (Privileges/Data)

👑 **Privileges**: **Full Control**. <br>📂 **Data**: **High** impact on Confidentiality, Integrity, and Availability. Attackers can execute arbitrary code, modify files, and steal data.

Q5Is exploitation threshold high? (Auth/Config)

⚡ **Threshold**: **LOW**. <br>🔓 **Auth**: **None Required** (PR:N). <br>🖱️ **UI**: **None Required** (UI:N). <br>🌐 **Network**: **Network** accessible (AV:N). <br>🎯 **Complexity**: **Low** (AC:L).

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

🧪 **Public Exp?**: **No PoC** listed in data. <br>🌍 **Wild Exp**: References from **WordFence** and **WordPress Trac** exist, indicating awareness, but no specific exploit code is provided in the dataset.

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: Scan for the plugin **Last Viewed Posts by WPBeginner**. <br>📋 **Version**: Check if version is **≤ 1.0.0**. <br>🕵️ **Indicator**: Look for usage of `unserialize()` on cookie inputs in the plugin code.

Q8Is it fixed officially? (Patch/Mitigation)

🩹 **Fixed?**: **Yes**. <br>📝 **Patch**: Update to the latest version. <br>🔗 **Ref**: See WordPress Trac changeset and WordFence advisory for official mitigation steps.

Q9What if no patch? (Workaround)

🚧 **No Patch?**: **Disable** the plugin immediately. <br>🛑 **Mitigation**: Remove or deactivate **Last Viewed Posts by WPBeginner** until an update is available.…

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Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. <br>⚠️ **Priority**: **P1**. <br>🚀 **Action**: Patch **IMMEDIATELY**. CVSS Score is **9.8** (Critical). Zero auth required makes it highly dangerous.

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Vulnerability detail Full AI analysis (login) jottlieb CWE-502