Security audit

404-page-generator

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward guide for creating or reviewing website 404 pages and does not include code execution, persistence, or hidden data handling.

Before installing, note that the skill may read existing project context files if present so it can match brand voice and visual identity; otherwise it is a content/design guidance skill with no executable 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 (1)

Vague Triggers

Medium

Category: Not specified by scanner
Confidence: 89% confidence
Finding: The phrase "When the user wants to create, optimize, or audit 404 error pages" is a broad natural-language trigger that does not clearly define invocation boundaries. Although specific examples follow, the leading condition is ambiguous enough to allow unintended activation without negative examples or tighter scope constraints.
Content: No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.