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Security audit

Landing Page Builder

Security checks for vulnerabilities and agentic risk

Overview

This skill is a disclosed landing-page builder that creates local web files, generates media, validates them, and publishes the finished page online.

Install this only if you want the agent to create landing-page files, generate media assets, run validation, and publish the result to a live URL. Avoid giving it confidential draft content unless you are comfortable with that content being deployed online.

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 (4)

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
96% confidence
Finding

The trigger keywords are broad enough to match ordinary requests such as 'web page' or 'landing page,' causing the skill to auto-activate in situations where the user may only want advice or partial assistance. In this skill, that matters because activation can lead to file creation, media generation, validation steps, and mandatory deployment to a live URL, expanding actions beyond likely user intent.

Content

No source excerpt is available for this finding.

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
95% confidence
Finding

The workflow mandates writing project files and deploying content to a public URL, but the skill description does not clearly warn users up front that it will publish artifacts online. In context, this is more dangerous because deployment is mandatory and automatic, so users may unintentionally expose draft content, proprietary branding, event details, or other sensitive material.

Content

No source excerpt is available for this finding.

Rp1

Medium
Category
MCP Rug Pull
Confidence
70% confidence
Finding

npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.

Content

No source excerpt is available for this finding.

Rp1

Medium
Category
MCP Rug Pull
Confidence
70% confidence
Finding

npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.