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Security audit

Markdown to Rich HTML

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward Markdown-to-HTML helper with disclosed file reading and HTML generation behavior, and no evidence of hidden persistence, credential use, or remote execution.

Before installing, expect the skill to read the Markdown files or folders you ask it to convert and to create HTML containing inline CSS and possibly JavaScript. Review generated HTML before sharing it if the source Markdown contains sensitive content or embedded diagrams/scripts.

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
93% confidence
Finding

The default prompt says to use the skill to turn a 'Markdown file or folder' into HTML, but it does not define specific trigger phrases, scope limits, or exclusion conditions. This ambiguity could cause unintended invocation because converting a file or folder is a common request pattern and the manifest provides no negative examples or activation boundaries.

Content

No source excerpt is available for this finding.