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Security audit

Amazon Research by Gecho

Security checks for vulnerabilities and agentic risk

Overview

This skill is a disclosed Amazon research connector that guides users to official Gecho MCP tools and does not show hidden, destructive, or account-changing behavior.

Before installing, understand that this depends on Gecho's Chrome extension and MCP server and will use your logged-in Amazon browser session to read pages. Use it only if you trust Gecho and prefer a dedicated browser profile for marketplace research.

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
  • System Prompt LeakageDirect Leakage, Indirect Extraction, Tool-Based Exfiltration
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (1)

Direct Prompt Extraction

High
Category
System Prompt Leakage
Confidence
85% confidence
Finding

Skill contains instructions that could directly expose system prompts, internal rules, or hidden instructions to users or external parties.

Content

Scanner excerpt · SKILL.md (reported line 355)May include surrounding context.

md
Join the [WeCom group](https://github.com/gecho-ai/gecho-bridge/blob/main/qywx.jpg), visit [Discord](https://discord.gg/RFDVZMR6Tn), or use the [1:1 support QR code](https://github.com/gecho-ai/gecho-bridge/blob/main/wx.jpg).

## Output guidelines

For successful discovery:

Static analysis

No suspicious patterns detected.