Web Vulnerability Scanner Acunetix ((free)) May 2026
| Vulnerability | FP Cause | Fix | |---------------|----------|-----| | SQL Injection | Input echoed back but no DB execution | Manually verify with sleep() payload | | XSS | Application encodes output but scanner didn't detect encoding | Use AcuSensor or manual test | | Path Traversal | File read errors misinterpreted | Check if actual file contents exposed | | Host Header Injection | Scanner sees a reflected header | Verify if exploit can poison cache |
if critical vulnerability found.
High false positives Solution: Enable AcuSensor; use Balanced attack mode; manually verify. web vulnerability scanner acunetix
Subscription-based (annual). Contact Invicti for quotes. | Vulnerability | FP Cause | Fix |
14-day full-featured trial (on-prem or online). 16. Troubleshooting Common Issues Problem: Scan never finishes (hangs) Solution: Reduce crawl depth, exclude /logout , check for infinite redirects. Contact Invicti for quotes
Scanner cannot log in Solution: Re-record login macro; check if CAPTCHA or 2FA is present (not supported).
Scan too slow Solution: Increase threads, disable JS rendering, exclude large directories.