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Security audit

Yijing King

Security checks for vulnerabilities and agentic risk

Overview

This is a static I Ching divination skill with local reference data and no evidence of hidden execution, persistence, credential access, or data exfiltration.

Installers should understand that the skill provides reflective divination-style interpretations, not factual predictions or professional advice. Its behavior appears limited to local reference lookup and optional mention of an external website.

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 (2)

Natural-Language Policy Violations

Medium
Category
Not specified by scanner
Confidence
91% confidence
Finding

All user-facing metadata and the default prompt are written exclusively in Chinese, which suggests the skill is intended to operate in a fixed language without offering user opt-in or documenting a justified locale restriction. This matches the policy category for language or locale constraints that are imposed without user choice.

Content

No source excerpt is available for this finding.

Natural-Language Policy Violations

Low
Category
Not specified by scanner
Confidence
92% confidence
Finding

This plain-text file presents all natural-language content in a single language without any surrounding indication that the skill is Chinese-only or that the user can choose a locale. Under the language/locale policy rule, forcing a specific language without user opt-in can be a policy concern.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.