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Security audit

linkedin-posts

Security checks for vulnerabilities and agentic risk

Overview

This is a LinkedIn writing-guidance skill with no executable code, network access, credential handling, persistence, or hidden high-impact behavior.

Before installing, note that this skill may be selected for some generic professional-post requests because of broad trigger wording, so users should specify LinkedIn when they want this guidance and choose another writing skill for other platforms.

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
88% confidence
Finding

The invocation description is broad enough to match many generic professional-writing requests, which can cause the skill to trigger outside its intended LinkedIn-specific scope. That increases the chance of misrouting user tasks, applying platform-specific guidance inappropriately, or overriding a more suitable skill when requests mention generic professional content.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.