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Security audit

JSON Formatter

Security checks for vulnerabilities and agentic risk

Overview

This is a simple JSON formatting skill with no evidence of hidden access, persistence, network activity, or destructive behavior.

Review the Chinese-language instructions before installing if you prefer English-only skills. From a security perspective, this skill appears limited to formatting and validating JSON supplied by the user.

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
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • 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
Confidence
87% confidence
Finding
The file includes trigger phrases and descriptive instructions in Chinese alongside English, but it does not state that the skill is multilingual, provide a user language choice, or justify a Chinese locale requirement. This can violate language/locale policy because users may be forced into a language context without opt-in.

Natural-Language Policy Violations

Low
Confidence
84% confidence
Finding
The natural-language instructions and headings are primarily in Chinese, which can impose a language expectation on users without explicit opt-in. Because the file includes multilingual trigger phrases but no statement that the skill is Chinese-only or that users may choose their preferred language, this creates a potential language policy issue.

Static analysis

No suspicious patterns detected.