Individual skill
html-injection-testing
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.
cli-tool/components/skills/security/html-injection-testing/SKILL.md
Source commit ad81bf053f80b626801decf425f501ba49983d98
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- Yes
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- Observed behavior
- Not checked yet
- Last checked
- Nov 4, 2026
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- Repository stars (not skill ratings)
- 33,218
- Repository last updated
- Nov 8, 2026
- License
- MIT
Observed agent integration: No specific integration evidence. Standard SKILL.md installation does not imply verified compatibility.
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# HTML Injection Testing
## Purpose
Identify and exploit HTML injection vulnerabilities that allow attackers to inject malicious HTML content into web applications. This vulnerability enables attackers to modify page appearance, create phishing pages, and steal user credentials through injected forms.
## Prerequisites
### Required Tools
- Web browser with developer tools
- Burp Suite or OWASP ZAP
- Tamper Data or similar proxy
- cURL for testing payloads
