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Security audit

Send Experiment Designer

Security checks for vulnerabilities and agentic risk

Overview

This skill is a disclosed email experiment design and read-out helper with no bundled executable code and only consent-based memory saving.

Before installing, be aware that the skill may process email performance, conversion, and revenue data you provide. Use manual exports or scoped ESP access where possible, and only approve memory saving when you are comfortable preserving the summarized experiment context for future sessions.

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
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (1)

Autonomous Decision Making

Medium
Category
Excessive Agency
Confidence
75% confidence
Finding

Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.

Content

Scanner excerpt · SKILL.md (reported line 123)May include surrounding context.

md
## Save Results

After delivering, ask "Save this test design / read-out for future sessions?" If yes, write a dated summary to `memory/email/send-experiment-designer/YYYY-MM-DD-<topic>.md` with mode/profile, hypothesis, design parameters, effect/uncertainty read, guardrails, decision owner/rule, and any approved action. Do not write memory without asking.

## Reference Materials

Static analysis

No suspicious patterns detected.