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Security audit

UI Designer

Security checks for vulnerabilities and agentic risk

Overview

This UI design skill is a straightforward markdown-only design helper with no hidden execution, persistence, credential use, or unrelated authority.

Install this if you want an agent to apply opinionated UI design-system, component, and accessibility guidance. Review outputs as you would any generated frontend code, especially accessibility claims and copied CSS tokens, but the artifact does not show security-sensitive behavior.

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 (3)

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
95% confidence
Finding

The README presents activation phrases like "design a login page," "build a settings form," and "create a card component," then says to "Ask in natural language," but it does not define boundaries for when the skill should or should not activate. These common design-related requests could overlap with ordinary conversation and there are no negative examples or contextual constraints to prevent unintended invocation.

Content

No source excerpt is available for this finding.

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
90% confidence
Finding

The trigger description is broad enough to capture many generic frontend, styling, and accessibility requests, which can cause the skill to activate outside its intended scope. Over-broad routing increases the chance that a specialized skill influences unrelated tasks, leading to inappropriate behavior, reduced least-privilege boundaries, and possible prompt-surface expansion if downstream references or instructions are automatically pulled in.

Content

No source excerpt is available for this finding.

Natural-Language Policy Violations

Low
Category
Not specified by scanner
Confidence
92% confidence
Finding

The workflow step uses Chinese text ('Document交付') inside an otherwise English skill document. This introduces a language-specific constraint without user opt-in or explanation, which can conflict with organizational language/locale policy expectations.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.