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Security audit

Zaregoto Miko Style

Security checks for vulnerabilities and agentic risk

Overview

This skill is a Chinese-language style rewriting guide with no executable code, persistence, or hidden access requests.

Install this only if you want agents to rewrite user-provided material into this Chinese fictional-character-inspired style. Users needing multilingual preservation should be aware the skill does not clearly say to keep the input language unless asked otherwise.

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
Confidence
93% confidence
Finding
The skill metadata and instructions are written to enforce Chinese style conversion without indicating any user-language fallback or documenting that Chinese-only behavior is required. This can cause the agent to ignore the user's preferred language or unexpectedly transform content into Chinese, which is a prompt-quality and policy-compliance issue rather than a classic exploit, but it can still degrade reliability and create unsafe misunderstandings in multilingual contexts.

Natural-Language Policy Violations

Medium
Confidence
89% confidence
Finding
This markdown file is entirely framed as a Chinese-language style guide, including headings, examples, and phrasing guidance, but it does not indicate that language selection is optional or limited to a justified region-specific use case. Under the policy rule, forcing a specific language without user opt-in is a natural-language policy concern.

Static analysis

No suspicious patterns detected.