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Security audit

旅行退税指南

Security checks for vulnerabilities and agentic risk

Overview

This skill is a local Chinese-language travel tax refund guide and calculator with no evidence of network access, data collection, persistence, or unsafe behavior.

Installers should understand this is aimed at Chinese-speaking users and uses embedded policy data that may become outdated; verify tax refund rules with official customs or refund providers before relying on amounts or procedures. The unused PROXY_TOKEN metadata is worth cleaning up, but the inspected code does not use it.

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

Low
Category
Not specified by scanner
Confidence
91% confidence
Finding

This code file presents its natural-language interface and outputs in Chinese only, beginning with the module description and continuing throughout user-facing strings. Under the language/locale policy rule, forcing a single language without offering user choice or documenting a justified locale restriction is a policy concern.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.