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Canva branded-presentation — agentic threat model

6.8AIVSS 6.8 · Medium

The Canva branded-presentation agent presents moderate risk, primarily centered around prompt injection manipulating workspace content and Brand Kit assets via its template connector. As an inactive reference skill, it lacks built-in security guardrails, relying entirely on the host platform's integration security.

OWASP AIVSS score rationale

AIVSS = (CVSS_Base + AARS) × Mitigation_Factor, where AARS = (10 − CVSS_Base) × (Factor_Sum / 10) × ThM
CVSS base 5.3AARS uplift 1.46Factor sum 3.1/10Threat ×1.0Mitigation ×1.0
Autonomy of Action
0.40
Goal-Driven Planning
0.50
Self-Modification
0.00
Dynamic Tool Use
0.30
Persistent Memory
0.10
Contextual Awareness
0.40
Dynamic Identity
0.20
Multi-Agent Interactions
0.10
Non-Determinism
0.60
Opacity & Reflexivity
0.50

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 underlying foundation model is not specified. Standard LLM risks like prompt injection and adversarial manipulation could force the agent to generate inappropriate content or misapply brand assets.

L2 · Data Operations⚠ not certain from listing

Not certain from the listing — The agent accesses Brand Kits and templates via a Connector, but the data storage, vectorization, and retrieval mechanisms are not detailed.

L3 · Agent Frameworks✓ mapped

The agent framework orchestrates template selection and multi-slide generation. Threats include insecure tool integration via the Canva Connector, where malicious prompts could hijack the tool to overwrite existing workspace presentations or exfiltrate brand assets.

L4 · Deployment & Infrastructure⚠ not certain from listing

Not certain from the listing — The skill is shipped in an inactive-skills set as a reference. Hosting, sandboxing, and network isolation details are completely dependent on the deployment environment.

L5 · Evaluation & Observability⚠ not certain from listing

Not certain from the listing — There is no mention of logging, guardrails, or observability tools to monitor template selection or output generation quality.

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

Not certain from the listing — The agent relies on the Canva Connector for authorization, but specific identity management, access controls, and compliance policies are not defined in this reference skill.

L7 · Agent Ecosystem✓ mapped

As a skill designed to be integrated into a broader workspace, it faces ecosystem risks where other compromised agents in the same environment could trigger this skill to generate spam or unauthorized brand materials.

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