Lab 86 — DealForge — SQL Injection via Backslash Escape Bypass of Quote-Doubling in H2

hackadvisor

Task: CRM platform with contacts search using H2 database; input sanitized by quote-doubling but backslash not escaped. Solution: Backslash escape bypasses quote-doubling, enabling UNION/error-based SQLi to enumerate SYSTEM_SECRETS table and extract the flag.