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Security audit

Communication Skill

Security checks for vulnerabilities and agentic risk

Overview

This is a Markdown-only communication drafting skill with disclosed context-gathering behavior and no evidence of hidden execution, persistence, or exfiltration.

Before installing, consider whether you are comfortable with a communication helper using available conversation history or user-provided notes to improve drafts. Review drafts before sending, especially when messages involve sensitive relationships, workplace issues, or private third-party information.

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 (1)

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
95% confidence
Finding

The trigger conditions are very broad, covering nearly any request related to messages, emails, replies, tone analysis, or communication advice. This can cause the skill to activate in many ordinary contexts, increasing the chance it processes unrelated conversation history, connected app data, or user notes more often than necessary, which expands privacy and prompt-scope risk.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.