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Security audit

Youtube Learning

Security checks for vulnerabilities and agentic risk

Overview

This skill describes a coherent YouTube learning assistant, with local notes and note-app export disclosed as part of its educational purpose.

Before installing, expect the skill to fetch YouTube transcripts and create or export learning materials. Use it with explicit destinations for local files, Notion, Obsidian, and calendar entries, especially if video notes include sensitive business context.

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
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • 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)

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
92% confidence
Finding

The skill advertises local file saving and export to third-party note applications, but it does not disclose when data will be written, what content may be transferred, or whether user confirmation is required. In an agent context, this can lead to unintended persistence of potentially sensitive transcript content or sharing of derived notes with external services without clear user awareness.

Content

No source excerpt is available for this finding.

Missing User Warnings

Low
Category
Not specified by scanner
Confidence
87% confidence
Finding

This manifest lists "File system" as an integration, which implies the skill may access or write local files, but the description does not include any user-facing warning about possible effects on user data or system contents. For manifest/markdown-style metadata, the guidance calls for warning when behavior could affect user data, privacy, or system integrity.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.