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Security audit

Cn Unit Converter

Security checks for vulnerabilities and agentic risk

Overview

This is a simple Chinese-language unit converter with no evidence of hidden access, persistence, or unsafe behavior.

Install this if you are comfortable with a Chinese-language unit conversion helper. Be aware that the README includes promotional links, but the executable script reviewed here performs local conversions only.

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
  • 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

Low
Category
Not specified by scanner
Confidence
89% confidence
Finding

The file presents the skill name, description, usage, and examples only in Chinese, which can impose a specific language on users without opt-in. The policy allows locale constraints when they are explicitly justified, but this file does not state that the skill is intended only for Chinese-speaking users or provide an alternative language option.

Content

No source excerpt is available for this finding.

Natural-Language Policy Violations

Low
Category
Not specified by scanner
Confidence
98% confidence
Finding

This code emits user-facing error and usage text only in Chinese (不支持的单位转换, 用法: ...). The file provides no opt-in, fallback, or documentation indicating that the skill is intentionally limited to Chinese-speaking users, which is a natural-language locale policy concern.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.