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Security audit

xiexiu(邪修)

Security checks for vulnerabilities and agentic risk

Overview

This text-only thinking skill has no code or persistence, but its broad shortcut-oriented guidance includes examples that can encourage bypassing ordinary rules or procedures.

Review this skill before installing if you do not want the assistant to suggest rule-bending shortcuts. Use it only for low-stakes, lawful, authorized experimentation, and avoid applying it to forms, queues, workplace rules, finance, medical, legal, safety, security, or other integrity-sensitive situations unless the boundaries are made explicit.

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
Vulnerability Patterns
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Trigger AbuseOverly Broad Trigger, Shadow Command Trigger, Keyword Baiting Trigger
  • MCP Tool PoisoningHidden Instructions, Unicode Deception, Parameter Description Injection
  • Data ExfiltrationExternal Transmission, Env Variable Harvesting, File System Enumeration
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
Findings (8)

Natural-Language Policy Violations

High
Category
Not specified by scanner
Confidence
97% confidence
Finding

The examples 'ask who you could ask to skip it' and 'ask what happens if you leave fields blank' are concrete suggestions for circumventing procedures and submitting incomplete information. Because they are framed as everyday applications of the skill, they materially increase the chance that users interpret the skill as endorsing procedural evasion or dishonest conduct.

Content

No source excerpt is available for this finding.

Anti-Refusal Statement

High
Category
Anti-Refusal
Confidence
85% confidence
Finding

Skill instructs the agent to omit warnings, disclaimers, or ethical commentary. Stripping safety caveats hides risk from the user and is a common jailbreak preamble.

Content

Scanner excerpt · references/methodology.md (reported line 19)May include surrounding context.

md
Ask: If I asked an expert how to solve this, what would they say?

Write down the standard method step by step. Do not judge it yet. Simply document it.

**Example - Learning Photography:**
- Buy a DSLR camera

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
91% confidence
Finding

The README frames 'xiexiu thinking' as a broadly applicable meta-skill for finding shortcuts in any domain and repeatedly valorizes bypassing orthodox methods. Although later sections include some caveats, the opening positioning lacks immediate guardrails and can normalize cutting corners before readers encounter limits, increasing the chance of misuse in compliance-, safety-, or ethics-sensitive contexts.

Content

No source excerpt is available for this finding.

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
96% confidence
Finding

The daily mindset examples encourage testing whether one can skip queues by asking the right person and leaving form fields blank to see what happens. Those suggestions can be interpreted as probing or bypassing procedural controls, which may facilitate unfair access, fraud, or evasion of required information, especially because no permission/compliance boundary is stated alongside the examples.

Content

No source excerpt is available for this finding.

Vague Triggers

Medium
Category
Not specified by scanner
Confidence
96% confidence
Finding

The description says to use the skill when users 'need help developing lateral thinking, first principles reasoning, or creative approaches to problems,' which is a very broad condition that overlaps with many ordinary assistance requests. It does not provide clear boundaries or exclusion conditions for when the skill should or should not activate beyond a few examples.

Content

No source excerpt is available for this finding.

Natural-Language Policy Violations

Medium
Category
Not specified by scanner
Confidence
87% confidence
Finding

The core framing praises rejecting orthodox methods, forbidden techniques, and absurdly efficient paths without sufficiently strong guardrails. In a general-purpose assistant skill, this can steer users toward bypassing rules, constraints, or governance in domains where such shortcuts are unsafe or improper.

Content

No source excerpt is available for this finding.

Intent-Code Divergence

Medium
Category
Not specified by scanner
Confidence
82% confidence
Finding

The documentation explicitly states that xiexiu is 'not a collection of tricks.' Later sections nevertheless present direct tactic prompts like skipping queues and omitting form fields, which contradict the stated intent to avoid prescribing specific hacks.

Content

No source excerpt is available for this finding.

Description-Behavior Mismatch

Medium
Category
Not specified by scanner
Confidence
90% confidence
Finding

The skill says it teaches a general way of thinking, but the daily-life examples cross into actionable prompts for bypassing ordinary processes, such as skipping queues or omitting form fields. That framing can normalize procedural evasion and encourage users to apply the methodology in unethical or policy-violating contexts.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.