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Security audit

Technical Writer

Security checks for vulnerabilities and agentic risk

Overview

This skill is a straightforward career-roadmap API description, but users should know their assessment details may be sent to an external service.

Before installing, assume submitted assessment details, session IDs, timestamps, and any user ID may be sent to the listed external API. Avoid including sensitive employment details unless needed, and prefer omitting the optional userId where possible.

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
92% confidence
Finding

The skill solicits detailed career assessment data plus persistent tracking identifiers such as sessionId, userId, prior roles, industry targets, and timestamps, but provides no privacy notice, data minimization guidance, retention policy, or warning that the information is sent to an external service. This creates unnecessary exposure of personal and profiling data and increases the risk of unauthorized collection, correlation, or misuse, especially in a career-development context where the data can reveal employment history and aspirations.

Content

No source excerpt is available for this finding.

External Transmission

Medium
Category
Data Exfiltration
Confidence
81% confidence
Finding

The skill references an external API endpoint, meaning user-supplied assessment data may be transmitted to infrastructure outside the local environment. In isolation, an external endpoint is not inherently malicious, but here it matters because the skill encourages sending profiling and identifier data to a third-party service without any trust, verification, or handling guarantees.

Content

Scanner excerpt · SKILL.md (reported line 247)May include surrounding context.

md
## References

- **Kong Route:** https://api.mkkpro.com/career/technical-writer
- **API Docs:** https://api.mkkpro.com:8092/docs