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Security audit

onboarding

Security checks for vulnerabilities and agentic risk

Overview

This skill is a plain guidance skill for improving user onboarding, with no code execution or hidden high-impact behavior.

Installers should know this skill may activate for some broad post-signup retention questions, and it may read local product-marketing context files to tailor its advice. It does not contain executable code or request sensitive privileges.

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)

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
89% confidence
Finding

The manifest description says to use the skill whenever the user wants to optimize broad concepts like post-signup onboarding, user activation, first-run experience, or time-to-value, and also adds "Use this whenever users are signing up but not sticking around." Those conditions are expansive and may overlap with adjacent topics such as signup optimization, retention, lifecycle messaging, or general product strategy, increasing the risk of unintended invocation.

Content

No source excerpt is available for this finding.

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
95% confidence
Finding

The eval explicitly expects the skill to trigger on vague, casual phrasing like 'users sign up but then never come back' without requiring tighter routing constraints. Overly broad activation conditions can cause the wrong skill to handle adjacent requests, leading to misrouting, loss of policy boundaries between signup vs onboarding vs email guidance, and reduced reliability of downstream advice.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.