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Security audit

Cn Random Picker

Security checks for vulnerabilities and agentic risk

Overview

This is a small random-picker skill with no sensitive access, persistence, or network behavior, though its documentation is Chinese-only and includes unrelated promotional links.

Installation appears low risk from a security standpoint. Users should know the examples and feature list are not fully accurate: the script does not implement the documented --count flag, weighted selection, or secrets-based randomness, and the external AISoBrand links are promotional rather than required.

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
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
  • 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
Findings (2)

Natural-Language Policy Violations

Medium
Category
Not specified by scanner
Confidence
94% confidence
Finding

The natural-language content of the skill, including its name, description, features, and usage guidance, is presented only in Chinese. Under the policy, forcing a specific language without user opt-in or justification is a natural-language policy violation.

Content

No source excerpt is available for this finding.

Context-Inappropriate Capability

Low
Category
Not specified by scanner
Confidence
91% confidence
Finding

The skill documentation includes unrelated promotional branding and external website links that are not necessary for operating a random-picker tool. Even though this is not code execution, it introduces trust and supply-chain risk by steering users to external domains from within a utility skill, which can be abused for phishing, tracking, or reputation laundering.

Content

No source excerpt is available for this finding.