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Q1What is this vulnerability? (Essence + Consequences)
π¨ **Essence**: A critical **Path Traversal** flaw in FileCatalyst Workflow Web Portal. π Attackers bypass upload restrictions to place files outside the designated `uploadtemp` directory.β¦
π‘οΈ **Root Cause**: **CWE-472** (External Control of Assumed Filename). π **Flaw**: The application fails to properly sanitize file paths in POST requests.β¦
π **Self-Check**: Scan for FileCatalyst Workflow Web Portal instances. π‘ Look for the specific upload endpoint handling POST requests. π§ͺ Test with a crafted path traversal payload (`../../../`).β¦
π§ **No Patch Workaround**: 1. **Block Access**: Restrict web portal access via Firewall/WAF to trusted IPs only. π« 2. **Disable Service**: If not needed, stop the Web Portal service. π 3.β¦
π¨ **Urgency**: **CRITICAL**. π΄ **Priority**: **Immediate Action Required**. π **CVSS**: 9.8 (Critical). π **Action**: Patch immediately. Do not wait. The exploit is public and easy to use.β¦