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Security audit

seo-firecrawl

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward Firecrawl-based SEO crawling guide, with the main caution that crawled URLs and page content may go to an external service.

Install this only if you are comfortable using Firecrawl for crawling and scraping. Treat crawled URLs, page content, metadata, screenshots, and search results as data that may be processed by Firecrawl, and avoid crawling internal, staging, authenticated, or secrets-bearing pages unless you have authorization and have reviewed Firecrawl's data handling terms.

A.I.G

Vulnerability Patterns
  • Skill Instruction HijackingAlters the agent's session goals or safety constraints when the skill loads
  • Agent Memory PoisoningWrites attacker-controlled rules into memory that affect later sessions
  • Remote Payload Retrieval and ExecutionFetches external code whose behavior can change after review
  • Embedded Malicious CodeShips malicious scripts inside the skill and executes them locally
  • Unauthorized Access and Privilege EscalationObtains permissions beyond the task's legitimate needs

SkillSpector

Vulnerability Patterns
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
Findings (1)

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
95% confidence
Finding

The skill instructs use of external Firecrawl crawling and scraping capabilities but does not clearly disclose that target URLs, page content, and potentially derived metadata will be sent to a third-party service. This creates a real privacy and data-handling risk, especially if users crawl internal, staging, authenticated, or otherwise sensitive sites under the assumption processing is local.

Content

No source excerpt is available for this finding.