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Security audit

Upload Video Converter

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward video-conversion guide with one minor copy-paste overwrite caution in an ffmpeg example.

Install only if you are comfortable running ffmpeg/ffprobe on local video files. Review generated commands before execution, especially output paths and any `-y` flags, so existing files are not overwritten unintentionally.

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
  • 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 (1)

Missing User Warnings

Low
Category
Not specified by scanner
Confidence
84% confidence
Finding

The example command uses ffmpeg -y, which forces overwriting output files without prompting. In this markdown file there is no accompanying warning that the command can replace existing files, which could affect user data if copied as-is.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.