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Q1What is this vulnerability? (Essence + Consequences)
🚨 **Essence**: A critical security flaw in the **Popup by Supsystic** WordPress plugin. <br>⚠️ **Consequences**: Due to improper neutralization of special elements, attackers can execute **Remote Code Execution (RCE)**.…
🛡️ **Root Cause**: **CWE-82** (Improper Neutralization of Special Elements in HTML). <br>🔍 **Flaw**: The plugin fails to properly sanitize or escape special characters in user-controlled input.…
📦 **Affected Product**: **Popup by Supsystic** plugin. <br>🏢 **Vendor**: Supsystic. <br>📅 **Versions**: Version **1.10.29** and all **previous versions**. <br>🌐 **Platform**: WordPress sites using this specific plugin. 🚫
Q4What can hackers do? (Privileges/Data)
💀 **Attacker Capabilities**: <br>1️⃣ **RCE**: Execute arbitrary code on the server. <br>2️⃣ **Full Control**: Gain administrative privileges. <br>3️⃣ **Data Theft**: Access sensitive user data and database contents.…
🕵️ **Public Exploit**: <br>📄 **PoC**: No specific PoC code provided in the data (pocs: []). <br>🌍 **Wild Exploitation**: References indicate **RCE vulnerability** is confirmed by Patchstack.…
🔍 **Self-Check Steps**: <br>1️⃣ **Scan**: Use WordPress security scanners to detect 'Popup by Supsystic'. <br>2️⃣ **Version Check**: Verify if version is **≤ 1.10.29**.…
🚧 **No Patch Workaround**: <br>1️⃣ **Disable**: Turn off the plugin immediately. <br>2️⃣ **Remove**: Delete the plugin files if not needed. <br>3️⃣ **WAF**: Use a Web Application Firewall to block RCE patterns.…