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Security audit

YouTube Shorts 搜索【Gecho 官方】

Security checks for vulnerabilities and agentic risk

Overview

This skill is a disclosed YouTube Shorts search helper that relies on Gecho's MCP bridge and Chrome extension, with no evidence of hidden, destructive, or unrelated behavior.

Before installing, make sure you trust Gecho's MCP package and Chrome extension because the workflow depends on your logged-in browser session. The artifact says it does not collect passwords, payment information, or post content, and the inspected skill itself does not contain executable code.

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
  • 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
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
Findings (1)

Natural-Language Policy Violations

Medium
Category
Not specified by scanner
Confidence
91% confidence
Finding

The natural-language instructions, examples, troubleshooting, and output rules are all presented in Chinese, and the file does not state that the skill is intended only for Chinese-speaking users or provide an opt-in language alternative. This can violate a language/locale policy that requires user choice or explicit justification before forcing a specific language.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.