CVE-2023-28787 — AI Deep Analysis Summary

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

🚨 **Essence**: SQL Injection (SQLi) in 'Quiz And Survey Master'. 💥 **Consequences**: Attackers can execute arbitrary SQL queries. This leads to potential data theft or system compromise.

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: CWE-89 (SQL Injection). 🔍 **Flaw**: Improper neutralization of special elements used in SQL commands. The input isn't sanitized correctly.

Q: Who is affected? (Versions/Components)

📦 **Affected**: WordPress Plugin: **Quiz And Survey Master**. 🏢 **Vendor**: ExpressTech. 📅 **Status**: Vulnerable versions exist (up to 8.1.4 mentioned in PoC).

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

💀 **Hackers Can**: Execute arbitrary SQL queries. 📊 **Impact**: High Confidentiality impact (C:H). Low Availability impact (A:L). Can steal database contents.

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

🔓 **Threshold**: Low. 👤 **Auth**: Unauthenticated (PR:N). 🌐 **Vector**: Network (AV:N). ⚠️ **Note**: PoC mentions 'exploit requires user interaction', but CVSS says UI:N. Generally considered easy to trigger remotely.

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

🔓 **Public Exp?**: Yes. 📜 **PoC**: Available via Nuclei templates (projectdiscovery/nuclei-templates). 🌍 **Wild Exp**: Likely, given the low complexity and public PoC.

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

🔍 **Self-Check**: Scan for 'Quiz And Survey Master' plugin. 🛠️ **Tool**: Use Nuclei with the specific CVE-2023-28787 template. 📋 **Check**: Verify version is <= 8.1.4.

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

🩹 **Fix**: Update the plugin. 📢 **Official**: Patchstack and vendor likely released fixes. Check for version > 8.1.4. ⚠️ **Action**: Immediate update recommended.

Q: What if no patch? (Workaround)

🚧 **No Patch?**: Disable the plugin if not needed. 🛡️ **WAF**: Use Web Application Firewall to block SQL injection patterns. 🔒 **Input Validation**: Ensure strict sanitization if custom code is involved.

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: HIGH. 📈 **Priority**: Critical due to CVSS Score (likely 9.0+ based on vector). ⚡ **Reason**: Unauthenticated, remote, high impact. Fix immediately!

Updated May 08, 2026 CVSS 9.3 · 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**: SQL Injection (SQLi) in 'Quiz And Survey Master'.
💥 **Consequences**: Attackers can execute arbitrary SQL queries. This leads to potential data theft or system compromise.

Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: CWE-89 (SQL Injection).
🔍 **Flaw**: Improper neutralization of special elements used in SQL commands. The input isn't sanitized correctly.

Q3Who is affected? (Versions/Components)

📦 **Affected**: WordPress Plugin: **Quiz And Survey Master**.
🏢 **Vendor**: ExpressTech.
📅 **Status**: Vulnerable versions exist (up to 8.1.4 mentioned in PoC).

Q4What can hackers do? (Privileges/Data)

💀 **Hackers Can**: Execute arbitrary SQL queries.
📊 **Impact**: High Confidentiality impact (C:H). Low Availability impact (A:L). Can steal database contents.

Q5Is exploitation threshold high? (Auth/Config)

🔓 **Threshold**: Low.
👤 **Auth**: Unauthenticated (PR:N).
🌐 **Vector**: Network (AV:N).
⚠️ **Note**: PoC mentions 'exploit requires user interaction', but CVSS says UI:N. Generally considered easy to trigger remotely.

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

🔓 **Public Exp?**: Yes.
📜 **PoC**: Available via Nuclei templates (projectdiscovery/nuclei-templates).
🌍 **Wild Exp**: Likely, given the low complexity and public PoC.

Q7How to self-check? (Features/Scanning)

🔍 **Self-Check**: Scan for 'Quiz And Survey Master' plugin.
🛠️ **Tool**: Use Nuclei with the specific CVE-2023-28787 template.
📋 **Check**: Verify version is <= 8.1.4.

Q8Is it fixed officially? (Patch/Mitigation)

🩹 **Fix**: Update the plugin.
📢 **Official**: Patchstack and vendor likely released fixes. Check for version > 8.1.4.
⚠️ **Action**: Immediate update recommended.

Q9What if no patch? (Workaround)

🚧 **No Patch?**: Disable the plugin if not needed.
🛡️ **WAF**: Use Web Application Firewall to block SQL injection patterns.
🔒 **Input Validation**: Ensure strict sanitization if custom code is involved.

Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: HIGH.
📈 **Priority**: Critical due to CVSS Score (likely 9.0+ based on vector).
⚡ **Reason**: Unauthenticated, remote, high impact. Fix immediately!

Continue exploring

Vulnerability detail Full AI analysis (login) ExpressTech CWE-89