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Q1What is this vulnerability? (Essence + Consequences)
🛡️ **Root Cause**: **OGNL Injection** via forced evaluation. <br>🔍 **Flaw**: Struts 2 evaluates specific parameters (like `id`, `action`, `redirect`) even when they shouldn't be processed as OGNL.…
👑 **Privileges**: **Full System Control**. <br>💻 **Action**: Attackers can execute arbitrary system commands. <br>📂 **Data**: Access to all files/directories the web server can reach.…
🔥 **Public Exp**: **YES**. <br>📂 **PoCs**: Available on GitHub (ka1n4t, wuzuowei, Al1ex). <br>🐍 **Scripts**: Python scripts for **command execution** and **reverse shells** are widely available.…
🔍 **Self-Check**: <br>1. Scan for **Struts 2** headers. <br>2. Test parameters with OGNL payloads like `%{1+1}` or `%{8*8}`. <br>3. Look for response containing `2` or `64`. <br>4.…