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Security audit

homes-fpx

Security checks for vulnerabilities and agentic risk

Overview

This skill is a disclosed homes.com helper that uses the user's signed-in browser session, including saved homes/searches, but I found no hidden, destructive, or unrelated behavior.

Install only if you are comfortable pairing fpx/ContextMint Bridge with your homes.com tab. Use the saved-homes and saved-searches recipes only when you intentionally want the agent to read account-specific saved property data, and avoid logging or sharing the temporary HTML/JSON outputs unnecessarily.

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
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
Findings (2)

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
91% confidence
Finding

The skill explicitly supports reading a signed-in user's saved homes and saved searches through the user's browser session, but the description/notes do not present this as a clear user-facing warning about accessing account-scoped data. That omission can cause users or downstream agents to invoke the skill without informed consent, increasing the risk of unintended exposure or collection of private preference/location-related account data.

Content

No source excerpt is available for this finding.

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
96% confidence
Finding

The skill explicitly documents how to access a signed-in user's saved homes and saved searches through their browser session, but it provides no privacy warning, consent requirement, or data-handling guardrails. Because this content is account-specific and retrieved via an authenticated tab, a user or downstream agent could expose or extract sensitive preference and location-interest data without understanding the privacy implications.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.