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Security audit

xinjianxue-skill-assistant-cn

Security checks for vulnerabilities and agentic risk

Overview

This skill is a clearly disclosed HTTP integration for a paid Chinese advisory/report service, with sensitive data and account credentials handled in ways that match its stated purpose.

Before installing, understand that this skill will use a one-time authorization code to bind the agent to your Xinjianxue account, then send personal profile details to the stated Xinjianxue API when you explicitly ask for a report. Only use it if you trust that service and are comfortable with the points-based charges and credential storage approach.

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
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

Static analysis

No suspicious patterns detected.