Wix MCP Server — agentic threat model
The Wix MCP Server presents significant agentic risk due to its write-access capabilities over live e-commerce, CMS, and booking systems. If integrated without strict confirmation gating and OAuth scope limitations, compromised or rogue client agents could cause severe business disruption, financial fraud, or site defacement.
OWASP AIVSS score rationale
| Autonomy of Action | 0.70 | |
| Goal-Driven Planning | 0.40 | |
| Self-Modification | 0.10 | |
| Dynamic Tool Use | 0.80 | |
| Persistent Memory | 0.30 | |
| Contextual Awareness | 0.50 | |
| Dynamic Identity | 0.60 | |
| Multi-Agent Interactions | 0.50 | |
| Non-Determinism | 0.40 | |
| Opacity & Reflexivity | 0.30 |
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.
Not certain from the listing — The MCP server itself is model-agnostic and does not specify a foundation model. However, the client LLM driving this server is susceptible to prompt injection, which could trigger unauthorized tool execution on the Wix site.
Grounded in Wix developer docs and CMS collections. Risks include data exfiltration of sensitive customer/booking databases and potential CMS data poisoning if write tools are abused to inject malicious content.
Exposes powerful tools for site content updates, store/product management, and bookings. Insecure tool integration or lack of input validation on the client side could lead to arbitrary write actions or parameter tampering.
Not certain from the listing — The deployment environment (local vs. cloud hosting of the MCP server) is unspecified. Security relies heavily on the safe hosting of the server and secure storage of the OAuth/API credentials.
Not certain from the listing — The description notes that confirmation gating is security-relevant, but does not detail built-in logging, auditing, or guardrails to detect anomalous tool calls or policy violations.
Authenticates via OAuth and API keys. Security posture depends heavily on enforcing the principle of least privilege on these tokens to prevent full administrative takeover of the Wix site.
Designed specifically for the Model Context Protocol (MCP) ecosystem, allowing external agents to orchestrate Wix site operations. This introduces risks of agent-to-agent trust abuse if a compromised orchestrator agent is granted access.
MAESTRO — the 7-layer agentic threat-modeling framework (Cloud Security Alliance / Ken Huang).