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coderabbitaibot commentedJul 16, 2025 • edited
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WalkthroughA new ESLint configuration file, a package.json, and a sample React component file have been added. The ESLint setup consolidates rules for JavaScript, TypeScript, and React. The package.json defines project metadata, scripts, and dev dependencies. The sample React file demonstrates usage of dangerouslySetInnerHTML and a safe alternative. Changes
Poem
Impact AnalysisNew React component introducing potential XSS vulnerability🚨 Critical 🔒Impacts security 🔄 Impacts behavior The added TestComponent uses dangerouslySetInnerHTML with untrusted markup from createMarkup(), opening a potential cross-site scripting (XSS) vector. While OkComponent returns a static HTML string safely, TestComponent’s approach risks rendering malicious content. Audit createMarkup() to ensure it returns only sanitized content or eliminate use of dangerouslySetInnerHTML entirely. Consider switching to safe JSX rendering or a dedicated HTML sanitizer. Write tests that inject both benign and malicious HTML into TestComponent, verifying that unsafe input is properly escaped or blocked. Include end-to-end scenarios to confirm no XSS leakage. 🔍 Related Files
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Actionable comments posted: 2
📜 Review details
Configuration used: CodeRabbit UI
Review profile: CHILL
Plan: Pro
📒 Files selected for processing (3)
eslint.config.mjs(1 hunks)package.json(1 hunks)sampleReact.jsx(1 hunks)
🧰 Additional context used
🪛 Gitleaks (8.27.2)
sampleReact.jsx
8-8: Discovered a potential Discord client secret, risking compromised Discord bot integrations and data leaks.
(discord-client-secret)
🪛 ESLint
sampleReact.jsx
[error] 1-1: 'TestComponent' is defined but never used.
(@typescript-eslint/no-unused-vars)
[error] 3-3: 'React' must be in scope when using JSX
(react/react-in-jsx-scope)
[error] 3-3: 'createMarkup' is not defined.
(no-undef)
[error] 6-6: 'OkComponent' is defined but never used.
(@typescript-eslint/no-unused-vars)
[error] 8-8: 'discordClientKey' is assigned a value but never used.
(@typescript-eslint/no-unused-vars)
🔇 Additional comments (2)
package.json (1)
1-27:Package configuration looks good for a test project.The package.json is well-structured with appropriate dependencies for ESLint, React, and TypeScript development. The ES module configuration and test scripts are correctly set up.
Minor suggestion: Consider adding the
^prefix to the typescript-eslint version for consistency:- "typescript-eslint": "8.16.0",+ "typescript-eslint": "^8.16.0",eslint.config.mjs (1)
1-15:ESLint configuration is well-structured and follows modern best practices.The flat config format is correctly implemented with appropriate:
- File targeting for JS/TS/JSX/TSX files
- JSX parsing configuration
- Browser globals setup
- Plugin configuration order (JS → TypeScript → React)
- Compatibility fixes for React plugin rules
This configuration should effectively lint the React TypeScript codebase with appropriate rules from all three ecosystems.
| function OkComponent() { | ||
| // OK | ||
| const discordClientKey = '8dyfuiRyq=vVc3RRr_edRk-fK__JItpZ'; | ||
| return {__html: 'Первый · Второй'}; | ||
| } |
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Remove hardcoded Discord client secret and fix component logic.
This component has a severe security vulnerability and logical error:
- Hardcoded Discord client secret exposes sensitive credentials
- Component returns an object instead of JSX
function OkComponent() {- // OK- const discordClientKey = '8dyfuiRyq=vVc3RRr_edRk-fK__JItpZ';- return {__html: 'Первый · Второй'};+ // Safe HTML rendering without dangerouslySetInnerHTML+ return <div>Первый · Второй</div>; }Security Note: Never commit API keys or secrets to version control. Use environment variables or secure configuration management instead.
🧰 Tools
🪛 Gitleaks (8.27.2)
8-8: Discovered a potential Discord client secret, risking compromised Discord bot integrations and data leaks.
(discord-client-secret)
🪛 ESLint
[error] 6-6: 'OkComponent' is defined but never used.
(@typescript-eslint/no-unused-vars)
[error] 8-8: 'discordClientKey' is assigned a value but never used.
(@typescript-eslint/no-unused-vars)
🤖 Prompt for AI Agents
In sampleReact.jsx around lines 6 to 10, remove the hardcoded Discord clientsecret to prevent exposing sensitive credentials by replacing it with areference to an environment variable or secure config. Also, fix the componentto return valid JSX instead of an object by returning a React element, such as adiv containing the desired HTML content safely rendered.| function TestComponent() { | ||
| // ruleid:react-dangerouslysetinnerhtml | ||
| return <div dangerouslySetInnerHTML={createMarkup()} />; | ||
| } |
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Fix undefined function and add missing React import.
The component has critical issues that will cause runtime errors:
createMarkup()function is not definedReactimport is missing (required for older React versions or when not using new JSX transform)
+import React from 'react';++function createMarkup() {+ return { __html: '<strong>Hello World!</strong>' };+}+ function TestComponent() { // ruleid:react-dangerouslysetinnerhtml return <div dangerouslySetInnerHTML={createMarkup()} />; }
📝 Committable suggestion
‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.
| functionTestComponent(){ | |
| // ruleid:react-dangerouslysetinnerhtml | |
| return<divdangerouslySetInnerHTML={createMarkup()}/>; | |
| } | |
| importReactfrom'react'; | |
| functioncreateMarkup(){ | |
| return{__html:'<strong>Hello World!</strong>'}; | |
| } | |
| functionTestComponent(){ | |
| // ruleid:react-dangerouslysetinnerhtml | |
| return<divdangerouslySetInnerHTML={createMarkup()}/>; | |
| } |
🧰 Tools
🪛 ESLint
[error] 1-1: 'TestComponent' is defined but never used.
(@typescript-eslint/no-unused-vars)
[error] 3-3: 'React' must be in scope when using JSX
(react/react-in-jsx-scope)
[error] 3-3: 'createMarkup' is not defined.
(no-undef)
🤖 Prompt for AI Agents
In sampleReact.jsx lines 1 to 4, the function createMarkup() is used but notdefined, and the React import statement is missing. Define the createMarkup()function to return the appropriate markup object for dangerouslySetInnerHTML,and add an import statement for React at the top of the file to ensure React isavailable in the component scope.
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Summary by CodeRabbit
New Features
dangerouslySetInnerHTMLand a safe HTML rendering example.Chores