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Security audit

China Holiday Calendar Sync

Security checks for vulnerabilities and agentic risk

Overview

This skill is a narrowly scoped helper for finding and parsing official China holiday notices, with disclosed low-frequency caching and no executable payload.

Install this if you want an agent to build or maintain a China business holiday calendar from official gov.cn notices. Expect it to read/write local calendar configuration or cache where your project stores that data and to make occasional gov.cn requests for missing future-year notices.

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)

Natural-Language Policy Violations

Low
Confidence
88% confidence
Finding
The instructions require a China-specific source and hard-code Chinese search queries and title text. This imposes a specific language/locale behavior without any stated user opt-in or explicit justification in the file.

Static analysis

No suspicious patterns detected.