CVE-2020-26248 — AI Deep Analysis Summary

Q: Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-89** (Improper Neutralization of Special Elements used in an SQL Command). The module fails to properly sanitize user inputs before constructing SQL queries.

Q: Who is affected? (Versions/Components)

📦 **Affected**: PrestaShop installations using the `productcomments` module. ⚠️ **Version**: Any version **before 4.2.1** is vulnerable.

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

🔓 **Exploitation Threshold**: **LOW**. • **Network**: Local (AV:L) but accessible. • **Complexity**: Low (AC:L). • **Auth**: None required (PR:N). • **User Interaction**: None (UI:N).

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

🔍 **Public Exploit**: **YES**. Proof of Concept (PoC) is available via Nuclei templates and PacketStorm. Wild exploitation is feasible for those with basic SQLi knowledge.

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

🔎 **Self-Check**: 1. Check if `productcomments` module version < 4.2.1. 2. Use scanners like **Nuclei** with the specific CVE template. 3. Monitor for unusual MySQL service stops or data exfiltration logs.

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

✅ **Official Fix**: **YES**. Patched in version **4.2.1**. 🔗 **Commit**: [GitHub Commit 7c2033d](https://github.com/PrestaShop/productcomments/commit/7c2033dd811744e021da8897c80d6c301cd45ffa).

Q: Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **HIGH**. • **CVSS Score**: High impact on Availability (A:H). • **Ease**: No auth needed. • **Action**: Upgrade to v4.2.1 **IMMEDIATELY** to prevent data loss or downtime.

Updated May 08, 2026 CVSS 6.8 · Medium

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**: A SQL Injection (SQLi) flaw in PrestaShop's `productcomments` module.…

Read full answer (login)

Q2Root Cause? (CWE/Flaw)

🛡️ **Root Cause**: **CWE-89** (Improper Neutralization of Special Elements used in an SQL Command). The module fails to properly sanitize user inputs before constructing SQL queries.

Q3Who is affected? (Versions/Components)

📦 **Affected**: PrestaShop installations using the `productcomments` module. <br>⚠️ **Version**: Any version **before 4.2.1** is vulnerable.

Q4What can hackers do? (Privileges/Data)

💀 **Attacker Capabilities**: <br>1. **Data Theft**: Retrieve hidden database contents via blind injection. <br>2. **Service Disruption**: Stop the MySQL service entirely. <br>3.…

Read full answer (login)

Q5Is exploitation threshold high? (Auth/Config)

🔓 **Exploitation Threshold**: **LOW**. <br>• **Network**: Local (AV:L) but accessible. <br>• **Complexity**: Low (AC:L). <br>• **Auth**: None required (PR:N). <br>• **User Interaction**: None (UI:N).

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

🔍 **Public Exploit**: **YES**. Proof of Concept (PoC) is available via Nuclei templates and PacketStorm. Wild exploitation is feasible for those with basic SQLi knowledge.

Q7How to self-check? (Features/Scanning)

🔎 **Self-Check**: <br>1. Check if `productcomments` module version < 4.2.1. <br>2. Use scanners like **Nuclei** with the specific CVE template. <br>3. Monitor for unusual MySQL service stops or data exfiltration logs.

Q8Is it fixed officially? (Patch/Mitigation)

✅ **Official Fix**: **YES**. Patched in version **4.2.1**. <br>🔗 **Commit**: [GitHub Commit 7c2033d](https://github.com/PrestaShop/productcomments/commit/7c2033dd811744e021da8897c80d6c301cd45ffa).

Q9What if no patch? (Workaround)

🛑 **No Patch Workaround**: <br>1. **Disable** the `productcomments` module immediately. <br>2. Apply **WAF rules** to block SQL injection patterns in comment fields. <br>3.…

Read full answer (login)

Q10Is it urgent? (Priority Suggestion)

🔥 **Urgency**: **HIGH**. <br>• **CVSS Score**: High impact on Availability (A:H). <br>• **Ease**: No auth needed. <br>• **Action**: Upgrade to v4.2.1 **IMMEDIATELY** to prevent data loss or downtime.

Continue exploring

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