This skill should be used when the user asks to "test for HTML injection", "inject HTML into web pages", "perform HTML injection attacks", "deface web applications", or "test content injection vulnerabilities". It provides comprehensive HTML injection attack techniques and testing methodologies.
Install
npx skills add davila7/claude-code-templates --skill 'HTML Injection Testing'npx skills add davila7/claude-code-templates --skill 'HTML Injection Testing' -a claude-code -gnpx skills add davila7/claude-code-templates --skill 'HTML Injection Testing' -a codex -ggemini skills install https://github.com/davila7/claude-code-templates.git --path cli-tool/components/skills/security/html-injection-testinggh skill install davila7/claude-code-templates 'HTML Injection Testing'git clone --depth 1 https://github.com/davila7/claude-code-templates /tmp/davila7__claude-code-templates
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/davila7__claude-code-templates/cli-tool/components/skills/security/html-injection-testing ~/.claude/skills/'HTML Injection Testing' # Claude Code
cp -R /tmp/davila7__claude-code-templates/cli-tool/components/skills/security/html-injection-testing ~/.agents/skills/'HTML Injection Testing' # Codex, Cursor, Gemini CLI, Copilot, OpenCode