web-design-guidelines
Warn
Audited by Snyk on Feb 28, 2026
Risk Level: MEDIUM
Full Analysis
MEDIUM W011: Third-party content exposure detected (indirect prompt injection risk).
- Third-party content exposure detected (high risk: 0.90). SKILL.md explicitly instructs the agent to "Fetch fresh guidelines" via WebFetch from the public URL https://raw.githubusercontent.com/vercel-labs/web-interface-guidelines/main/command.md and to read and apply those fetched rules, so untrusted public GitHub content directly influences the agent's decisions and outputs.
MEDIUM W012: Unverifiable external dependency detected (runtime URL that controls agent).
- Potentially malicious external URL detected (high risk: 1.00). The skill explicitly instructs fetching runtime rules from https://raw.githubusercontent.com/vercel-labs/web-interface-guidelines/main/command.md via WebFetch and then applying those fetched rules and output-format instructions to control the agent's review behavior, so the external content directly controls prompts/instructions and is a required dependency.
Audit Metadata