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Security audit

preview-scorecard

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward RooQuiz preview helper that sends the user-created scorecard definition to a disclosed public preview service and returns a temporary link.

Install only if you are comfortable sending the scorecard's questions, scoring rules, result text, and configuration to RooQuiz to generate a short-lived public preview link. Do not include secrets, confidential business logic, private client data, or sensitive personal information in preview content unless you intend to share it with that external service.

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
  • System Prompt LeakageDirect Leakage, Indirect Extraction, Tool-Based Exfiltration
  • Prompt InjectionInstruction Override, Hidden Instructions, Exfiltration Commands
  • Privilege EscalationExcessive Permissions, Sudo/Root Execution, Credential Access
  • Supply ChainUnpinned Dependencies, External Script Fetching, Obfuscated Code
Findings (3)

Direct Prompt Extraction

High
Category
System Prompt Leakage
Confidence
85% confidence
Finding

Skill contains instructions that could directly expose system prompts, internal rules, or hidden instructions to users or external parties.

Content

Scanner excerpt · SKILL.md (reported line 79)May include surrounding context.

"indexDisplayMode": "number", // question numbering: none (default) | number | uppercase | roman "fields": [ /* questions — see "Question types" and "Scoring" / ], "report": { / results page — see "Report configuration" */ }, "rules": [] // conditional-display rules (scorecard-only feature); usually [] }

text

External Transmission

Medium
Category
Data Exfiltration
Confidence
88% confidence
Finding

The skill instructs the agent to send arbitrary user-provided questionnaire content to an external third-party service (preview.rooquiz.com) without authentication or any trust boundary checks. If users include sensitive personal, health, business, or proprietary data in the scorecard content, that data is transmitted off-platform to a public preview endpoint, creating confidentiality and privacy risk.

Content

Scanner excerpt · SKILL.md (reported line 45)May include surrounding context.

For example, with curl (write the JSON to a file first, or inline it with --data):

bash
curl -sS -X POST https://preview.rooquiz.com/api/preview-forms \
  -H 'Content-Type: application/json' \
  --data-binary @/tmp/preview-form.json

Natural-Language Policy Violations

Medium
Category
Not specified by scanner
Confidence
92% confidence
Finding

The file states "language": "en_US", // form language; default zh_CN, and later lists zh_CN as the default language. This imposes a specific locale by default if the user does not explicitly choose one, which is a natural-language locale policy concern unless the skill asks for or offers a language choice before applying it.

Content

No source excerpt is available for this finding.