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← Claude Skills (alirezarezvani)

Claude Skills (alirezarezvani) — agentic threat model

9.7AIVSS 9.7 · Critical

Claude Skills is a highly agentic, multi-agent marketplace and plugin ecosystem that significantly expands the attack surface of coding assistants like Claude Code and Cursor. Its integration of 28 plugins, 8 agents, and hooks across multiple domains introduces substantial risk of tool misuse, cascading multi-agent failures, and unauthorized system-level execution.

OWASP AIVSS score rationale

AIVSS = (CVSS_Base + AARS) × Mitigation_Factor, where AARS = (10 − CVSS_Base) × (Factor_Sum / 10) × ThM
CVSS base 8.5AARS uplift 1.15Factor sum 7.0/10Threat ×1.1Mitigation ×1.0
Autonomy of Action
0.80
Goal-Driven Planning
0.80
Self-Modification
0.40
Dynamic Tool Use
0.90
Persistent Memory
0.50
Contextual Awareness
0.80
Dynamic Identity
0.60
Multi-Agent Interactions
0.90
Non-Determinism
0.70
Opacity & Reflexivity
0.60

Scored with the canonical OWASP AIVSS formula (AIVSS calculator reference); agentic risk factors estimated from the agent’s described capabilities.

MAESTRO 7-layer threat model

Per-layer threats for this agent. Layers tagged “not certain from listing” are general, caveated commentary where the public description didn’t pin that layer.

L1 · Foundation Models⚠ not certain from listing

Not certain from the listing — The marketplace is model-agnostic, targeting Claude, Gemini, and other LLMs. It is highly susceptible to downstream model reprogramming, prompt injection, and adversarial inputs passed through the 28 plugins into the underlying foundation models.

L2 · Data Operations⚠ not certain from listing

Not certain from the listing — The data operations layer is not explicitly detailed, but the plugins span engineering, compliance, and C-level domains, implying access to sensitive codebase repositories, corporate documentation, and potentially vector databases containing proprietary IP.

L3 · Agent Frameworks✓ mapped

The framework layer is highly exposed. With 28 plugins, 31 skills, and 2 hooks, there is a severe risk of insecure tool integration, tool misuse, and malicious hook execution that can alter the orchestration flow of the host coding agents (e.g., Claude Code, Cursor).

L4 · Deployment & Infrastructure⚠ not certain from listing

Not certain from the listing — The deployment infrastructure depends on the host environment (e.g., local developer machines for Cursor/Claude Code). If run without strict sandboxing, malicious or compromised plugins could achieve local privilege escalation and arbitrary code execution.

L5 · Evaluation & Observability⚠ not certain from listing

Not certain from the listing — There is no mention of built-in evaluation, logging, or guardrails within this open-source marketplace, creating a significant blind spot for detecting anomalous plugin behavior or malicious payload execution.

L6 · Security & Compliance (cross-cutting)⚠ not certain from listing

Not certain from the listing — No security compliance, access control policies, or authentication mechanisms are specified for the marketplace, suggesting a lack of centralized governance over which skills can be loaded and executed.

L7 · Agent Ecosystem✓ mapped

The agent ecosystem risk is extremely high. The package explicitly bundles 8 distinct agents and supports multi-agent environments (Claude Code, Codex, Gemini CLI). This creates a complex web of Agent-to-Agent (A2A) trust relationships where a single compromised plugin or agent can trigger cascading failures across the entire development workflow.

MAESTRO — the 7-layer agentic threat-modeling framework (Cloud Security Alliance / Ken Huang).