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Security audit

class-diagram

Security checks for vulnerabilities and agentic risk

Overview

This skill is a narrow class-diagram helper with disclosed code-structure reading and Mermaid rendering behavior.

Before installing, be aware that this skill may inspect the code scope you ask about and may send generated Mermaid diagram content, including class names and public method or attribute names, to the configured Mermaid rendering MCP. There is no evidence of hidden execution, persistence, credential access, or destructive behavior.

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 (1)

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
94% confidence
Finding

The manifest lists a single trigger as 'visualizing class hierarchies or documenting a module public API,' which describes broad situations rather than specific invocation phrases or clear activation boundaries. This can overlap with common development requests and does not provide negative examples or constraints on when the skill should not activate.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.