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Security audit

Data Enricher

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward lead-enrichment guide that uses disclosed email lookup methods and local batch output, with privacy handling worth watching.

Before installing, confirm you are comfortable sending lead domains to Hunter.io with your API key and storing enriched contact emails in a local JSON file. Keep the output file in a protected workspace, delete it when no longer needed, and ensure the Notion sync target is the intended lead database.

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 (2)

External Transmission

Medium
Category
Data Exfiltration
Content
### 3. Hunter.io API
```
GET https://api.hunter.io/v2/domain-search
?domain={domain}
&api_key={HUNTER_API_KEY}
```
Confidence
50% confidence
Finding
Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Missing User Warnings

Medium
Confidence
91% confidence
Finding
The skill instructs saving enriched lead data, including contact emails and related business profile information, to a local JSON file without any retention limits, access controls, minimization guidance, or user warning. While this is not overtly malicious, it creates unnecessary storage of potentially sensitive contact data and increases the risk of accidental disclosure, misuse, or noncompliant handling of personal/business contact information.

Static analysis

No suspicious patterns detected.