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Security audit

QuickBooks Online

Security checks for vulnerabilities and agentic risk

Overview

This QuickBooks skill is coherent and clearly tied to QuickBooks, but it includes high-impact accounting actions and unsafe one-line remote installer commands that users should review carefully.

Install only if you trust OOMOL and intend to let an agent operate your QuickBooks Online account. Review write or destructive payloads before approval, and avoid running the remote installer snippets unless you have independently verified the oo CLI installer source and integrity.

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
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • 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)

External Script Fetching

High
Category
Supply Chain
Confidence
97% confidence
Finding

The skill instructs users to install software by piping a remotely fetched script directly into a shell (curl ... | bash), which is a classic supply-chain and arbitrary code execution risk. If the remote host, script, transport, or publishing pipeline is compromised, a user following these instructions could execute attacker-controlled code on their machine with their current privileges.

Content

Scanner excerpt · SKILL.md (reported line 201)May include surrounding context.

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
95% confidence
Finding

The manifest says to use this skill for "ANY QuickBooks Online request" and "Whenever a task involves QuickBooks Online," which is a very broad activation condition. It does not provide narrower trigger phrases, scope constraints, or negative examples to clarify when the skill should not be invoked.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.