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Security audit

calendar-subscribe

Security checks for vulnerabilities and agentic risk

Overview

This skill does what it says: it converts timetable files into a shareable calendar subscription, with a privacy consideration around publishing schedule details publicly.

Before installing or using it, treat the hosted ICS URL as public. Remove unnecessary names, room details, notes, and recurring-location information if the calendar is not meant for everyone with the link, and prefer access-controlled or hard-to-guess hosting for private schedules.

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

Medium
Confidence
96% confidence
Finding
The skill explicitly instructs publishing timetable-derived calendar data to a public HTTPS endpoint, but it does not require a privacy warning, consent checkpoint, or data-minimization guidance. Timetables can expose sensitive personal information such as names, class locations, office hours, routine movements, and recurrence patterns, making unauthorized sharing or oversharing a realistic privacy risk.

Static analysis

No suspicious patterns detected.