markdown-fetch

Warn

Audited by Snyk on Mar 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). The skill automatically fetches and ingests arbitrary user-provided web pages (see SKILL.md: "This skill should trigger automatically when: User provides a URL") by posting the supplied URL in scripts/fetch.sh to the external markdown.new service, so untrusted third-party content is read and used to drive summarization/analysis and could contain indirect prompt-injection instructions.

MEDIUM W012: Unverifiable external dependency detected (runtime URL that controls agent).

  • Potentially malicious external URL detected (high risk: 0.80). The skill's runtime script makes POST requests to https://markdown.new/ to fetch and return arbitrary webpage content (based on user-provided URLs), which is then injected into the agent's output/context and therefore can directly control prompts or instructions.

Issues (2)

W011
MEDIUM

Third-party content exposure detected (indirect prompt injection risk).

W012
MEDIUM

Unverifiable external dependency detected (runtime URL that controls agent).

Audit Metadata
Risk Level
MEDIUM
Analyzed
Mar 28, 2026, 07:03 PM
Issues
2