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Security audit

Delaware Franchise Tax

Security checks for vulnerabilities and agentic risk

Overview

This skill is a disclosed Delaware franchise-tax filing guide with sensitive financial and portal actions kept mostly user-directed.

Before installing, be comfortable sharing Delaware entity details, officer/director information, share counts, and asset figures with the agent. Use portal automation only if you understand the browser-debugging setup and confirm all filing data yourself; enter banking or card details directly and verify current Delaware rules from official sources before submitting.

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
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
Findings (2)

Unrestricted Tool Access

Medium
Category
Excessive Agency
Content
## Security model

- This skill **does not** download or execute any code.
- All portal interactions are performed by the user, guided step-by-step by the agent.
- If the user opts in to browser automation (Playwright via CDP), the agent may assist with portal navigation — but credit card and banking details must **always** be entered by the user directly.
Confidence
80% confidence
Finding
Skill grants unrestricted tool access without appropriate constraints. An agent with unfettered tool access can perform arbitrary actions including file modification, network requests, and code execution.

Vague Triggers

Low
Confidence
89% confidence
Finding
The manifest lists invocation phrases for the skill, and "file franchise tax" lacks the Delaware-specific qualifier present in the other examples. That makes the trigger broad enough to overlap with unrelated tax-filing requests, increasing the chance of unintended activation.

Static analysis

No suspicious patterns detected.