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Security audit

xquads-brand-squad

Security checks for vulnerabilities and agentic risk

Overview

This skill is a simple branding-advice skill with no executable code, persistence, credential access, or hidden security-sensitive behavior.

Before installing, users should understand that the skill appears intended for Portuguese-language branding work. Security risk is low based on the inspected artifacts, but users who need another language may want clearer language support from the publisher.

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
  • 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
  • Excessive AgencyUnrestricted Tool Access, Autonomous Decision Making, Scope Creep
Findings (2)

Natural-Language Policy Violations

Medium
Category
Not specified by scanner
Confidence
93% confidence
Finding

The manifest description forces a specific language for users by presenting the skill purpose only in Portuguese. Under the policy, language constraints should either be optional for the user or clearly justified as region-specific.

Content

No source excerpt is available for this finding.

Natural-Language Policy Violations

Low
Category
Not specified by scanner
Confidence
86% confidence
Finding

The description is written only in Portuguese ("Squad de 15 especialistas em branding") with no indication that users may choose another language or locale. This can violate a language/locale policy when skills are expected to be language-neutral or to offer user choice.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.