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Security audit

Time Converter

Security checks for vulnerabilities and agentic risk

Overview

This skill is a low-risk timezone conversion helper with no bundled executable code, network access, credential access, persistence, or hidden behavior found.

This appears safe to install from a security perspective, but users should know the package does not include the documented convert_time executable, so it may not work as described unless that command is supplied separately.

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 (1)

Natural-Language Policy Violations

Low
Confidence
79% confidence
Finding
The file mixes Chinese-only user input examples with English documentation, but does not state whether the skill is intended to support specific languages or give users a choice of locale/language. Under the policy rule, forcing or implying a specific language without opt-in can be a natural-language policy issue.

Static analysis

No suspicious patterns detected.