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Security audit

html-deploy

Security checks for vulnerabilities and agentic risk

Overview

This skill is a disclosed helper for publishing and managing single-file HTML pages on htmlcode.fun, with expected remote publishing and version-management abilities.

Install only if you are comfortable sending generated or selected HTML to htmlcode.fun and managing public hosted versions there. Do not deploy private data, secrets, or HTML that should remain local; use care with delete-version, status, current, overwrite, and get --output commands.

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
  • Tool MisuseTool Parameter Abuse, Chaining Abuse, Unsafe Defaults
  • 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
Findings (2)

Tool Parameter Abuse

High
Category
Tool Misuse
Confidence
80% confidence
Finding

Tool parameters are crafted to achieve unintended or unsafe behavior. Parameter abuse can bypass intended safety checks (e.g. shell=True, --force, dangerous glob patterns).

Content

Scanner excerpt · SKILL.md (reported line 100)May include surrounding context.

md
- `GET /api/deploy/content?code={code}&version={version}` — read metadata and source.
- `GET /api/deploys/{code}/versions` — list version history and `likeCount`.
- `PATCH /api/deploys/{code}/versions/{version}` — overwrite or set status for an unlocked version.
- `DELETE /api/deploys/{code}/versions/{version}` — delete one unlocked version. Treat deletion as sensitive; ask first unless the user explicitly requested it.
- `PATCH /api/deploys/{code}/current` — switch the public current version when needed.

## Response handling

Missing User Warnings

Low
Category
Not specified by scanner
Confidence
77% confidence
Finding

The get command writes fetched remote content to args.output using write_text/write_bytes, which modifies local files. Although the CLI exposes an --output flag, there is no confirmation prompt or explicit user-facing warning at the write site about overwriting or changing a local file.

Content

No source excerpt is available for this finding.

Static analysis

No suspicious patterns detected.