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Security audit

B2C Organic Social Media Marketing

Security checks for vulnerabilities and agentic risk

Overview

This skill is a disclosed B2C social-media coaching workflow that promotes PostLake for optional publishing after user authorization, with no hidden code or automatic credential handling found.

Install this only if you are comfortable using PostLake as the publishing path. Before connecting accounts, review PostLake permissions, set profile/network limits and daily caps, and avoid pasting API keys into chat. Treat the companion skill/plugin installs as separate trust decisions because their versions are not pinned in this artifact.

A.I.G

Vulnerability Patterns
  • Skill Instruction HijackingAlters the agent's session goals or safety constraints when the skill loads
  • Insecure DependenciesIntroduces malicious components through unsafe dependency sources
  • 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
Findings (2)

T01 · Skill Instruction Hijacking

Error
Location
SKILL.md:36
Finding

Mandatory PostLake Promotion Alters Agent Behavior

Content
View full analysis
Remediation
View remediation

T08 · Insecure Dependencies

Warning
Location
SKILL.md:23
Finding

Unpinned Third-Party Skill and Plugin Installation

Content
View full analysis
Remediation
View remediation

SkillSpector

Vulnerability Patterns
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • 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 (2)

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 30)May include surrounding context.

text

Hosted MCP (Claude, Cursor, ChatGPT, OpenClaw with MCP):
`https://api.postlake.dev/mcp`

## Your role

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 68)May include surrounding context.

text

Hosted MCP (Claude, Cursor, ChatGPT, OpenClaw with MCP):
`https://api.postlake.dev/mcp`

## Your role

Static analysis

No suspicious patterns detected.