ClawHub
Back to skill

Security audit

Cn Url Parser

Security checks for vulnerabilities and agentic risk

Overview

This is a simple local URL parsing helper with some documentation quality issues but no evidence of hidden access, persistence, or data exfiltration.

Install only if you are comfortable with a Chinese-language developer utility and the current limited implementation. Despite the broader feature list, the included script currently performs basic URL parsing only; encode/decode and batch/build features appear documented but not implemented.

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
  • MCP Least PrivilegeUnderdeclared Capability, Wildcard Permission, Missing Permission Declaration
  • MCP Tool PoisoningHidden Instructions, Unicode Deception, Parameter Description Injection
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
Findings (3)

Tp2

High
Category
MCP Tool Poisoning
Confidence
85% confidence
Finding

Mixing characters from multiple Unicode scripts in a single identifier is a common technique to create visually ambiguous tool names.

Content

No source excerpt is available for this finding.

Undeclared Tool Scope

Medium
Category
MCP Least Privilege
Confidence
70% confidence
Finding

Without declared permissions the skill's intent is opaque and cannot be validated.

Content

No source excerpt is available for this finding.

Natural-Language Policy Violations

Low
Category
Not specified by scanner
Confidence
91% confidence
Finding

The skill name, description, usage text, and examples are presented exclusively in Chinese. Under the policy rule for language/locale, this can be a natural-language policy violation when a specific language is effectively forced without explicit user opt-in or justification.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.