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Security audit

旅行eSIM比价助手

Security checks for vulnerabilities and agentic risk

Overview

This is a local Chinese-language travel eSIM comparison skill with static data and no hidden network, persistence, or destructive behavior found.

Installers should treat this as a static travel-pricing helper, not a live price source. Verify current eSIM and WiFi rental prices with providers before buying, and note that the experience is designed for Chinese-language users.

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
  • MCP Least PrivilegeUnderdeclared Capability, Wildcard Permission, Missing Permission Declaration
  • MCP Tool PoisoningHidden Instructions, Unicode Deception, Parameter Description Injection
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
Findings (3)

Tp2

High
Category
MCP Tool Poisoning
Confidence
85% confidence
Finding
Mixing characters from multiple Unicode scripts in a single identifier is a common technique to create visually ambiguous tool names.

Lp3

Medium
Category
MCP Least Privilege
Confidence
70% confidence
Finding
Without declared permissions the skill's intent is opaque and cannot be validated.

Natural-Language Policy Violations

Medium
Confidence
92% confidence
Finding
This code file embeds its title, descriptions, recommendations, tips, CLI usage responses, and output strings in Chinese, effectively forcing a single language experience. Under the policy, language constraints should either be opt-in or clearly justified as region-specific, which is not present here.

Static analysis

No suspicious patterns detected.