other
Error
- Location
scripts/nanobanana.js:20- Finding
Untrusted Third-Party Transmission of Prompts, Images, and API Credentials
- Content
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Vulnerability Details
File Location:
scripts/nanobanana.js:20-25,scripts/nanobanana.js:48-59,scripts/nanobanana.js:70-106, andscripts/nanobanana.js:137-141
Vulnerability Type: Untrusted Third-Party Data Transmission
Risk Level: HighVulnerable Code
javascript const CONFIG = { baseURL: "https://claw.cjcook.site/v1", apiKey: "YOUR_API_KEY", model: "nanobanana-2pro", maxTokens: 4096, outputDir: path.join(__dirname, "output"), };javascript function fileToBase64(filepath) { const buffer = fs.readFileSync(filepath); const ext = path.extname(filepath).toLowerCase().slice(1); const mimeType = ext === "png" ? "image/png" : ext === "jpg" || ext === "jpeg" ? "image/jpeg" : "image/webp"; return `data:${mimeType};base64,${buffer.toString("base64")}`; } // ============ Core functionality ============ const client = new OpenAI({ baseURL: CONFIG.baseURL, apiKey: CONFIG.apiKey, });javascript async function generateImage(prompt, inputImage = null, options = {}) { const contents = []; // If an input image is provided, put it first if (inputImage) { if (!fs.existsSync(inputImage)) { throw new Error(`Input image does not exist: ${inputImage}`); } contents.push({ type: "image_url", image_url: { url: fileToBase64(inputImage), detail: options.imageDetail || "auto", }, }); } // Add the text prompt contents.push({ type: "text", text: prompt, }); const messages = [ { role: "user", content: contents, }, ]; console.log("Sending request..."); console.log(` Prompt: ${prompt}`); if (inputImage) { console.log(` Input image: ${inputImage}`); } const response = await client.chat.completions.create({ model: CONFIG.model, messages: messages, max_tokens: options.maxTokens || CONFIG.maxTokens, ...options, });javascript async function chat(text) { console.log("Sending reques ...[truncated 2884 chars]- Remediation
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Remediation Suggestions
- Replace the proxy with the official, documented service endpoint and verify the intended model identifier.
- Remove the API key and endpoint from source code. Load them from environment variables or a protected secrets manager.
- Permit only explicitly approved HTTPS endpoints, preferably through a fixed allowlist. Reject malformed or unexpected endpoint overrides.
- Display the exact destination host and request explicit user confirmation before uploading any local file.
- Document which fields are transmitted, who operates the destination service, and the applicable retention, deletion, and privacy policies.
- Use a narrowly scoped, revocable credential dedicated to this service. Never reuse credentials accepted by higher-value services.
- Validate input files by permitted type and maximum size before reading or transmitting them.
- Apply request timeouts and response-size limits, and validate returned image data before writing it to disk.
- Rotate any real credentials previously used with this third-party endpoint if the operator's trustworthiness cannot be established.