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Security audit

LinkedIn Post Engine

Security checks for vulnerabilities and agentic risk

Overview

This is a LinkedIn writing-template skill with no executable code, account access, persistence, or hidden behavior found.

Before installing, understand that this skill may be invoked for a wide range of LinkedIn writing tasks and is designed to optimize persuasive professional content. Review generated claims before posting, especially metrics, client references, and credentials.

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
Confidence
95% confidence
Finding
The description says to use the skill when creating LinkedIn posts across 'any professional niche' and lists many common content tasks without defining narrower trigger phrases or boundaries. This is broad enough to overlap with many ordinary writing requests, making unintended invocation more likely.

Static analysis

No suspicious patterns detected.