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Security audit

wenwen-gq

Security checks for vulnerabilities and agentic risk

Overview

This is a text-only children's piano coaching skill with no code execution, persistence, data access, or hidden security behavior found.

Install this if you want a Chinese-language piano practice companion for children. Be aware that it instructs the agent to answer in Chinese by default, so users who need another language may need to override that preference or choose a different skill.

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
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (3)

Natural-Language Policy Violations

Medium
Category
Not specified by scanner
Confidence
95% confidence
Finding

The title and core description are entirely in Chinese and present the skill as a Chinese-language expert for children's piano coaching, with no indication that users may choose another language. Under the policy, forcing a specific language or locale without user opt-in is a natural-language policy violation unless the constraint is explicitly justified.

Content

No source excerpt is available for this finding.

Natural-Language Policy Violations

Medium
Category
Not specified by scanner
Confidence
92% confidence
Finding

The file uses Chinese for the title, description, usage instructions, and most trigger phrases, but does not indicate that the skill is region-specific or that users may opt into another language. This can violate language/locale policy when a skill effectively forces one language without user choice.

Content

No source excerpt is available for this finding.

Natural-Language Policy Violations

Medium
Category
Not specified by scanner
Confidence
94% confidence
Finding

The skill explicitly mandates that all answers be in Chinese, regardless of the user's language preference or platform context. This can override user intent, reduce transparency, and create safety/comprehension issues if a user cannot understand the response, though it does not by itself enable code execution or data exfiltration.

Content

No source excerpt is available for this finding.