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Security audit

API-Station

Security checks for vulnerabilities and agentic risk

Overview

The skill is mostly an API usage guide, but it tells agents to upload local images and an API bearer token to a separate image-hosting domain without enough privacy or credential-scope safeguards.

Review this skill before installing if you may use local images or paid API credentials. Use it only with non-sensitive media, confirm the exact file before upload, prefer already-public URLs when appropriate, and avoid sending a primary account token to the image-hosting domain unless the provider documents that this is intended and safely scoped.

A.I.G

Vulnerability Patterns
  • Insecure Skill Coding PracticesFinds exploitable flaws such as hardcoded secrets or command injection
  • 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
Findings (1)

T09 · Insecure Skill Coding Practices

Error
Location
SKILL.md:104
Finding

Cross-Domain Disclosure of Local Files and API Credentials

Content
View full analysis
Remediation
View remediation

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 (29)

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 18)May include surrounding context.

md
| 类型              | 地址                              | 说明                              |
| ----------------- | --------------------------------- | --------------------------------- |
| **API请求地址**   | `https://api.winfull.cloud-ip.cc` | 以此开头调用所有接口 (Base URL)   |
| **API官网/Token** | https://api.winfull.cloud-ip.cc/  | 在此注册账户、充值、申请API Token |
| **API文档地址**   | https://winfull.apifox.cn/        | 查阅最新的接口文档、参数说明      |

**认证方式**: 所有请求必须在Header中携带Bearer Token

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 64)May include surrounding context.

md
| 类型              | 地址                              | 说明                              |
| ----------------- | --------------------------------- | --------------------------------- |
| **API请求地址**   | `https://api.winfull.cloud-ip.cc` | 以此开头调用所有接口 (Base URL)   |
| **API官网/Token** | https://api.winfull.cloud-ip.cc/  | 在此注册账户、充值、申请API Token |
| **API文档地址**   | https://winfull.apifox.cn/        | 查阅最新的接口文档、参数说明      |

**认证方式**: 所有请求必须在Header中携带Bearer Token

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 90)May include surrounding context.

md
| 类型              | 地址                              | 说明                              |
| ----------------- | --------------------------------- | --------------------------------- |
| **API请求地址**   | `https://api.winfull.cloud-ip.cc` | 以此开头调用所有接口 (Base URL)   |
| **API官网/Token** | https://api.winfull.cloud-ip.cc/  | 在此注册账户、充值、申请API Token |
| **API文档地址**   | https://winfull.apifox.cn/        | 查阅最新的接口文档、参数说明      |

**认证方式**: 所有请求必须在Header中携带Bearer Token

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 168)May include surrounding context.

md
| 类型              | 地址                              | 说明                              |
| ----------------- | --------------------------------- | --------------------------------- |
| **API请求地址**   | `https://api.winfull.cloud-ip.cc` | 以此开头调用所有接口 (Base URL)   |
| **API官网/Token** | https://api.winfull.cloud-ip.cc/  | 在此注册账户、充值、申请API Token |
| **API文档地址**   | https://winfull.apifox.cn/        | 查阅最新的接口文档、参数说明      |

**认证方式**: 所有请求必须在Header中携带Bearer Token

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 192)May include surrounding context.

md
| 类型              | 地址                              | 说明                              |
| ----------------- | --------------------------------- | --------------------------------- |
| **API请求地址**   | `https://api.winfull.cloud-ip.cc` | 以此开头调用所有接口 (Base URL)   |
| **API官网/Token** | https://api.winfull.cloud-ip.cc/  | 在此注册账户、充值、申请API Token |
| **API文档地址**   | https://winfull.apifox.cn/        | 查阅最新的接口文档、参数说明      |

**认证方式**: 所有请求必须在Header中携带Bearer Token

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 214)May include surrounding context.

md
| 类型              | 地址                              | 说明                              |
| ----------------- | --------------------------------- | --------------------------------- |
| **API请求地址**   | `https://api.winfull.cloud-ip.cc` | 以此开头调用所有接口 (Base URL)   |
| **API官网/Token** | https://api.winfull.cloud-ip.cc/  | 在此注册账户、充值、申请API Token |
| **API文档地址**   | https://winfull.apifox.cn/        | 查阅最新的接口文档、参数说明      |

**认证方式**: 所有请求必须在Header中携带Bearer Token

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 238)May include surrounding context.

md
| 类型              | 地址                              | 说明                              |
| ----------------- | --------------------------------- | --------------------------------- |
| **API请求地址**   | `https://api.winfull.cloud-ip.cc` | 以此开头调用所有接口 (Base URL)   |
| **API官网/Token** | https://api.winfull.cloud-ip.cc/  | 在此注册账户、充值、申请API Token |
| **API文档地址**   | https://winfull.apifox.cn/        | 查阅最新的接口文档、参数说明      |

**认证方式**: 所有请求必须在Header中携带Bearer Token

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 256)May include surrounding context.

md
| 类型              | 地址                              | 说明                              |
| ----------------- | --------------------------------- | --------------------------------- |
| **API请求地址**   | `https://api.winfull.cloud-ip.cc` | 以此开头调用所有接口 (Base URL)   |
| **API官网/Token** | https://api.winfull.cloud-ip.cc/  | 在此注册账户、充值、申请API Token |
| **API文档地址**   | https://winfull.apifox.cn/        | 查阅最新的接口文档、参数说明      |

**认证方式**: 所有请求必须在Header中携带Bearer Token

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 303)May include surrounding context.

md
| 类型              | 地址                              | 说明                              |
| ----------------- | --------------------------------- | --------------------------------- |
| **API请求地址**   | `https://api.winfull.cloud-ip.cc` | 以此开头调用所有接口 (Base URL)   |
| **API官网/Token** | https://api.winfull.cloud-ip.cc/  | 在此注册账户、充值、申请API Token |
| **API文档地址**   | https://winfull.apifox.cn/        | 查阅最新的接口文档、参数说明      |

**认证方式**: 所有请求必须在Header中携带Bearer Token

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 310)May include surrounding context.

md
| 类型              | 地址                              | 说明                              |
| ----------------- | --------------------------------- | --------------------------------- |
| **API请求地址**   | `https://api.winfull.cloud-ip.cc` | 以此开头调用所有接口 (Base URL)   |
| **API官网/Token** | https://api.winfull.cloud-ip.cc/  | 在此注册账户、充值、申请API Token |
| **API文档地址**   | https://winfull.apifox.cn/        | 查阅最新的接口文档、参数说明      |

**认证方式**: 所有请求必须在Header中携带Bearer Token

External Transmission

Medium
Category
Data Exfiltration
Confidence
50% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 326)May include surrounding context.

md
| 类型              | 地址                              | 说明                              |
| ----------------- | --------------------------------- | --------------------------------- |
| **API请求地址**   | `https://api.winfull.cloud-ip.cc` | 以此开头调用所有接口 (Base URL)   |
| **API官网/Token** | https://api.winfull.cloud-ip.cc/  | 在此注册账户、充值、申请API Token |
| **API文档地址**   | https://winfull.apifox.cn/        | 查阅最新的接口文档、参数说明      |

**认证方式**: 所有请求必须在Header中携带Bearer Token

External Transmission

Medium
Category
Data Exfiltration
Confidence
60% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 63)May include surrounding context.

python
import requests

response = requests.post(
    "https://api.winfull.cloud-ip.cc/v1/chat/completions",
    headers={
        "Authorization": "Bearer sk-xxx",

External Transmission

Medium
Category
Data Exfiltration
Confidence
60% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 89)May include surrounding context.

python
import requests

response = requests.post(
    "https://api.winfull.cloud-ip.cc/v1/chat/completions",
    headers={
        "Authorization": "Bearer sk-xxx",

External Transmission

Medium
Category
Data Exfiltration
Confidence
60% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 167)May include surrounding context.

python
import requests

response = requests.post(
    "https://api.winfull.cloud-ip.cc/v1/chat/completions",
    headers={
        "Authorization": "Bearer sk-xxx",

External Transmission

Medium
Category
Data Exfiltration
Confidence
60% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 213)May include surrounding context.

python
import requests

response = requests.post(
    "https://api.winfull.cloud-ip.cc/v1/chat/completions",
    headers={
        "Authorization": "Bearer sk-xxx",

External Transmission

Medium
Category
Data Exfiltration
Confidence
60% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 237)May include surrounding context.

python
import requests

response = requests.post(
    "https://api.winfull.cloud-ip.cc/v1/chat/completions",
    headers={
        "Authorization": "Bearer sk-xxx",

External Transmission

Medium
Category
Data Exfiltration
Confidence
60% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 255)May include surrounding context.

python
import requests

response = requests.post(
    "https://api.winfull.cloud-ip.cc/v1/chat/completions",
    headers={
        "Authorization": "Bearer sk-xxx",

External Transmission

Medium
Category
Data Exfiltration
Confidence
60% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 325)May include surrounding context.

python
import requests

response = requests.post(
    "https://api.winfull.cloud-ip.cc/v1/chat/completions",
    headers={
        "Authorization": "Bearer sk-xxx",

External Transmission

Medium
Category
Data Exfiltration
Confidence
70% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 63)May include surrounding context.

python
import requests

response = requests.post(
    "https://api.winfull.cloud-ip.cc/v1/chat/completions",
    headers={
        "Authorization": "Bearer sk-xxx",

External Transmission

Medium
Category
Data Exfiltration
Confidence
70% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 89)May include surrounding context.

端点: POST /v1/images/generations

python
response = requests.post(
    "https://api.winfull.cloud-ip.cc/v1/images/generations",
    headers={
        "Authorization": "Bearer sk-xxx",

Missing User Warnings

Medium
Category
Not specified by scanner
Confidence
96% confidence
Finding

The skill explicitly instructs users to upload local images to a third-party image hosting service in order to use video-generation flows, but it does not disclose that this transfers user files to an additional external service outside the main API endpoint. This creates privacy, confidentiality, and compliance risk because sensitive local images may be exposed to a separate operator or retained beyond the user's expectations.

Content

No source excerpt is available for this finding.

External Transmission

Medium
Category
Data Exfiltration
Confidence
97% confidence
Finding

This code sends a local file to a separate third-party upload endpoint, which is materially different from ordinary use of the advertised base API. Because the skill presents this as a required step without an explicit privacy warning, users may unknowingly disclose sensitive local content to another service operator.

Content

Scanner excerpt · SKILL.md (reported line 122)May include surrounding context.

python
# 方式1: 上传本地图片到图床
with open("reference_image.jpg", "rb") as f:
    response = requests.post(
        "https://imageproxy.zhongzhuan.chat/api/upload",
        headers={"Authorization": "Bearer sk-xxx"},
        files={"file": f}

External Transmission

Medium
Category
Data Exfiltration
Confidence
97% confidence
Finding

This snippet repeats the same risky pattern in the video workflow by uploading a local reference image to an external image-hosting service before task creation. The surrounding context makes the risk more serious because it normalizes the transfer as part of a standard workflow, increasing the likelihood of accidental disclosure.

Content

Scanner excerpt · SKILL.md (reported line 158)May include surrounding context.

md
image_url = None
if use_reference_image:
    with open("reference.jpg", "rb") as f:
        upload_response = requests.post(
            "https://imageproxy.zhongzhuan.chat/api/upload",
            headers={"Authorization": "Bearer sk-xxx"},
            files={"file": f}

External Transmission

Medium
Category
Data Exfiltration
Confidence
70% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 167)May include surrounding context.

md
print(f"参考图已上传: {image_url}")

# 步骤1: 创建视频任务
response = requests.post(
    "https://api.winfull.cloud-ip.cc/v1/video/create",
    headers={
        "Authorization": "Bearer sk-xxx",

External Transmission

Medium
Category
Data Exfiltration
Confidence
70% confidence
Finding

Data is being sent to an external URL. This could be legitimate telemetry or data exfiltration. Manual review is recommended.

Content

Scanner excerpt · SKILL.md (reported line 213)May include surrounding context.

端点: POST /v1/audio/speech

python
response = requests.post(
    "https://api.winfull.cloud-ip.cc/v1/audio/speech",
    headers={
        "Authorization": "Bearer sk-xxx",

Static analysis

No suspicious patterns detected.