Detect and exploit second-order SQL injection vulnerabilities where malicious input is stored in a database and later executed in an unsafe SQL query during a different application operation.
Install
npx skills add mukul975/Anthropic-Cybersecurity-Skills --skill performing-second-order-sql-injectionnpx skills add mukul975/Anthropic-Cybersecurity-Skills --skill performing-second-order-sql-injection -a claude-code -gnpx skills add mukul975/Anthropic-Cybersecurity-Skills --skill performing-second-order-sql-injection -a codex -ggemini skills install https://github.com/mukul975/Anthropic-Cybersecurity-Skills.git --path skills/performing-second-order-sql-injectiongh skill install mukul975/Anthropic-Cybersecurity-Skills performing-second-order-sql-injectiongit clone --depth 1 https://github.com/mukul975/Anthropic-Cybersecurity-Skills /tmp/mukul975__Anthropic-Cybersecurity-Skills
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/mukul975__Anthropic-Cybersecurity-Skills/skills/performing-second-order-sql-injection ~/.claude/skills/performing-second-order-sql-injection # Claude Code
cp -R /tmp/mukul975__Anthropic-Cybersecurity-Skills/skills/performing-second-order-sql-injection ~/.agents/skills/performing-second-order-sql-injection # Codex, Cursor, Gemini CLI, Copilot, OpenCode