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Security audit

Webpack

Security checks for vulnerabilities and agentic risk

Overview

The skill does not show malware-like behavior, but it is marketed as a webpack reference while mostly providing generic operations guidance unrelated to webpack.

Install only if you are comfortable with a low-functionality, generic reference stub. It does not appear to access sensitive data or persist anything, but users expecting real webpack help should review the output carefully because it may give irrelevant operational advice.

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
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • MCP Tool PoisoningHidden Instructions, Unicode Deception, Parameter Description Injection
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (5)

Tp4

High
Category
MCP Tool Poisoning
Confidence
98% confidence
Finding

The code is a simple bash command dispatcher that outputs canned text blocks. While this superficially resembles a reference/help tool, the material presented is generic operational guidance and placeholders rather than webpack-specific reference information. There is no webpack inspection, configuration help grounded in webpack semantics, or other frontend-specific logic. So the declared description overstates or misrepresents the actual utility: it is not meaningfully a webpack reference tool, just a static generic documentation stub branded as one.

Content

No source excerpt is available for this finding.

Credential Access

High
Category
Privilege Escalation
Confidence
70% confidence
Finding

Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.

Content

Scanner excerpt · scripts/script.sh (reported line 64)May include surrounding context.

sh
## Prerequisites
- Basic understanding of frontend concepts
- Required tools and access credentials
- System meeting minimum requirements

## Installation

Intent-Code Divergence

Medium
Category
Not specified by scanner
Confidence
91% confidence
Finding

The file header explicitly states the tool is for webpack in frontend contexts. However, the embedded help and command content repeatedly document generic service/network/operations practices rather than webpack-specific reference material, creating an active contradiction between stated intent and delivered documentation.

Content

No source excerpt is available for this finding.

Description-Behavior Mismatch

Medium
Category
Not specified by scanner
Confidence
96% confidence
Finding

The manifest says this skill is for working with webpack in frontend contexts, which implies webpack-specific reference content. Instead, the intro text describes a vague 'specialized tool/concept' and discusses generic compliance, workflows, and 'accurate data' rather than webpack bundling concepts, indicating the implemented behavior does not match the stated purpose.

Content

No source excerpt is available for this finding.

Description-Behavior Mismatch

Medium
Category
Not specified by scanner
Confidence
94% confidence
Finding

Commands such as debugging, performance, security, and migration discuss connection errors, tcpdump/wireshark, credentials, data retention, exporting/importing data, and traffic cutovers. Those topics are broad operational runbook content and are not an obvious implementation detail of a webpack reference tool.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.