CVE-2026-28074 — AI Deep Analysis Summary

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

🚨 **Essence**: Untrusted data deserialization in **Pizza House** plugin. 💥 **Consequences**: Object Injection. Attackers can manipulate internal objects, leading to full system compromise.

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-502** (Deserialization of Untrusted Data). ⚠️ **Flaw**: The plugin processes data without proper validation, allowing malicious payloads to be executed as objects.

Q: Who is affected? (Versions/Components)

🏢 **Vendor**: ThemeREX. 📦 **Product**: WordPress Plugin **Pizza House**. 📅 **Affected**: Versions **1.4.0 and earlier**.

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

🕵️ **Capabilities**: High-impact attacks. 🔓 **Privileges**: Full control over the application. 📊 **Data**: Complete confidentiality, integrity, and availability loss (CVSS: H/H/H).

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

🔑 **Threshold**: **LOW**. 🌐 **Access**: Network Accessible (AV:N). 🔒 **Auth**: No Privileges Required (PR:N). 👀 **User Interaction**: None (UI:N). Easy to exploit remotely.

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

📜 **Public Exploit**: **No** public PoC or wild exploitation detected yet. ⏳ **Status**: References point to vendor advisories, but no active code is available.

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

🔍 **Self-Check**: Scan for **Pizza House** plugin version **≤ 1.4.0**. 🛠️ **Feature**: Look for unvalidated input points in PHP object handling within the plugin files.

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

🩹 **Fix**: Update to the latest version of **Pizza House** plugin. ✅ **Official**: Patch available via ThemeREX/WordPress repository.

Q: What if no patch? (Workaround)

🚧 **Workaround**: If patching is delayed, **disable** the plugin immediately. 🚫 **Mitigation**: Remove the plugin directory or restrict access until updated.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. ⚡ **Priority**: Patch immediately. CVSS is high (9.8+ implied by H/H/H), no auth needed, and remote exploitation is trivial.

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**: Untrusted data deserialization in **Pizza House** plugin. <br>💥 **Consequences**: Object Injection. Attackers can manipulate internal objects, leading to full system compromise.

Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-502** (Deserialization of Untrusted Data). <br>⚠️ **Flaw**: The plugin processes data without proper validation, allowing malicious payloads to be executed as objects.

Q3Who is affected? (Versions/Components)

🏢 **Vendor**: ThemeREX. <br>📦 **Product**: WordPress Plugin **Pizza House**. <br>📅 **Affected**: Versions **1.4.0 and earlier**.

Q4What can hackers do? (Privileges/Data)

🕵️ **Capabilities**: High-impact attacks. <br>🔓 **Privileges**: Full control over the application. <br>📊 **Data**: Complete confidentiality, integrity, and availability loss (CVSS: H/H/H).

Q5Is exploitation threshold high? (Auth/Config)

🔑 **Threshold**: **LOW**. <br>🌐 **Access**: Network Accessible (AV:N). <br>🔒 **Auth**: No Privileges Required (PR:N). <br>👀 **User Interaction**: None (UI:N). Easy to exploit remotely.

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

📜 **Public Exploit**: **No** public PoC or wild exploitation detected yet. <br>⏳ **Status**: References point to vendor advisories, but no active code is available.

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: Scan for **Pizza House** plugin version **≤ 1.4.0**. <br>🛠️ **Feature**: Look for unvalidated input points in PHP object handling within the plugin files.

Q8Is it fixed officially? (Patch/Mitigation)

🩹 **Fix**: Update to the latest version of **Pizza House** plugin. <br>✅ **Official**: Patch available via ThemeREX/WordPress repository.

Q9What if no patch? (Workaround)

🚧 **Workaround**: If patching is delayed, **disable** the plugin immediately. <br>🚫 **Mitigation**: Remove the plugin directory or restrict access until updated.

Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **CRITICAL**. <br>⚡ **Priority**: Patch immediately. CVSS is high (9.8+ implied by H/H/H), no auth needed, and remote exploitation is trivial.

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