Security audit

Browser Site Profile

Security checks for vulnerabilities and agentic risk

Overview

This skill is a short alias document for creating reusable external site profiles and does not include code, persistence, credential handling, or hidden actions.

Before installing, confirm that the referenced external-site-profile-learning playbook is available from the same trusted package or repository, because this alias is not self-contained. Use it only when you intend the agent to probe a site and write a reusable data-only profile for that site.

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

Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep

Findings (1)

Skill Enumeration

Medium

Category: Agent Snooping
Content: For the full detailed playbook, see: - `skills/external-site-profile-learning/SKILL.md` in this repository
Confidence: 80% confidence
Finding: Skill enumerates or reads other installed skills. Access to other skills' SKILL.md files or the skills directory reveals prompt instructions, capabilities, and secrets that should be invisible to peer skills.

Static analysis

No suspicious patterns detected.