Preview/semgrep #62
Preview/semgrep #62
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WalkthroughThree new files have been added: a configuration file for CodeRabbit review path filters, a Semgrep rule to warn against the use of React's Changes
Sequence Diagram(s)sequenceDiagram
participant User
participant TestComponent
participant OkComponent
User->>TestComponent: Render component
TestComponent->>TestComponent: Call createMarkup()
TestComponent->>TestComponent: Set inner HTML via dangerouslySetInnerHTML
User->>OkComponent: Render component
OkComponent->>OkComponent: Return static HTML object
Poem
Impact AnalysisNew React component uses dangerouslySetInnerHTML, introducing potential XSS🚨 Critical 🔒Impacts security A new React component TestComponent injects HTML via dangerouslySetInnerHTML using content from createMarkup(), which can lead to cross-site scripting vulnerabilities if the HTML is untrusted. Ensure createMarkup properly sanitizes all input before injection or replace dangerouslySetInnerHTML with safer rendering methods; remove or repurpose the unused discordClientKey in OkComponent. Write tests feeding malicious HTML into TestComponent to confirm sanitization or safe handling; verify OkComponent’s output does not introduce XSS and that unused constants are cleaned up. 🔍 Related Files
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Actionable comments posted: 3
🧹 Nitpick comments (2)
.coderabbit.yml (1)
2-2: Simplify the path filters configuration.The current configuration includes both
"**/*"and"*"patterns, but"**/*"already covers all files recursively including those in the root directory, making"*"redundant.- path_filters: ["**/*","*"] + path_filters: ["**/*"]semgrep.yml (1)
14-14: Add missing newline at end of file.The file is missing a newline character at the end, which is flagged by yamllint and is a common best practice for text files.
- severity: WARNING + severity: WARNING +
📜 Review details
Configuration used: .coderabbit.yml
Review profile: CHILL
Plan: Pro
📒 Files selected for processing (3)
.coderabbit.yml(1 hunks)sampleReact.jsx(1 hunks)semgrep.yml(1 hunks)
🧰 Additional context used
🪛 YAMLlint (1.37.1)
semgrep.yml
[error] 14-14: no new line character at the end of file
(new-line-at-end-of-file)
🪛 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)
🪛 Biome (1.9.4)
sampleReact.jsx
[error] 3-3: Avoid passing content using the dangerouslySetInnerHTML prop.
Setting content using code can expose users to cross-site scripting (XSS) attacks
(lint/security/noDangerouslySetInnerHtml)
🪛 Semgrep (1.122.0)
sampleReact.jsx
[WARNING] 3-3: Setting HTML from code is risky because it’s easy to inadvertently expose your users to a cross-site scripting (XSS) attack.
(docs-react-dangerouslysetinnerhtml)
🔇 Additional comments (2)
semgrep.yml (1)
1-14: Excellent security rule implementation!The Semgrep rule correctly identifies dangerous uses of
dangerouslySetInnerHTMLin both JSX attributes and object properties. The warning message clearly explains the XSS risk, and the pattern matching covers the key usage scenarios.sampleReact.jsx (1)
2-3: Security warning correctly detected.The static analysis tools are correctly flagging the use of
dangerouslySetInnerHTMLas a security risk. This appears to be intentional for testing the Semgrep rule, as indicated by theruleidcomment.
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| function OkComponent() { | ||
| // OK | ||
| const discordClientKey = '8dyfuiRyq=vVc3RRr_edRk-fK__JItpZ'; |
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Remove hardcoded Discord client secret.
A potential Discord client secret is hardcoded in the code, which poses a security risk even in test files. Replace it with a placeholder or use environment variables.
- const discordClientKey = '8dyfuiRyq=vVc3RRr_edRk-fK__JItpZ';
+ const discordClientKey = process.env.DISCORD_CLIENT_KEY || 'test-key-placeholder';📝 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.
| const discordClientKey = '8dyfuiRyq=vVc3RRr_edRk-fK__JItpZ'; | |
| const discordClientKey = process.env.DISCORD_CLIENT_KEY || 'test-key-placeholder'; |
🧰 Tools
🪛 Gitleaks (8.27.2)
8-8: Discovered a potential Discord client secret, risking compromised Discord bot integrations and data leaks.
(discord-client-secret)
🤖 Prompt for AI Agents
In sampleReact.jsx at line 8, the Discord client secret is hardcoded, which is a
security risk. Replace the hardcoded secret with a placeholder string or
retrieve it from environment variables using process.env to avoid exposing
sensitive information in the codebase.
| function TestComponent() { | ||
| // ruleid:react-dangerouslysetinnerhtml | ||
| return <div dangerouslySetInnerHTML={createMarkup()} />; | ||
| } |
There was a problem hiding this comment.
Missing function definition.
The TestComponent references createMarkup() but this function is not defined in the file. This will cause a runtime error.
+function createMarkup() {
+ return { __html: '<strong>Test markup</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.
| function TestComponent() { | |
| // ruleid:react-dangerouslysetinnerhtml | |
| return <div dangerouslySetInnerHTML={createMarkup()} />; | |
| } | |
| function createMarkup() { | |
| return { __html: '<strong>Test markup</strong>' }; | |
| } | |
| function TestComponent() { | |
| // ruleid:react-dangerouslysetinnerhtml | |
| return <div dangerouslySetInnerHTML={createMarkup()} />; | |
| } |
🧰 Tools
🪛 Biome (1.9.4)
[error] 3-3: Avoid passing content using the dangerouslySetInnerHTML prop.
Setting content using code can expose users to cross-site scripting (XSS) attacks
(lint/security/noDangerouslySetInnerHtml)
🪛 Semgrep (1.122.0)
[WARNING] 3-3: Setting HTML from code is risky because it’s easy to inadvertently expose your users to a cross-site scripting (XSS) attack.
(docs-react-dangerouslysetinnerhtml)
🤖 Prompt for AI Agents
In sampleReact.jsx around lines 1 to 4, the function createMarkup() is called
inside TestComponent but is not defined anywhere, which will cause a runtime
error. Define the createMarkup() function in the file to return an object with a
__html property containing the HTML string you want to set, for example: return
{ __html: "<p>Some HTML content</p>" }. This will ensure the
dangerouslySetInnerHTML prop receives the expected object and prevent runtime
errors.
| function OkComponent() { | ||
| // OK | ||
| const discordClientKey = '8dyfuiRyq=vVc3RRr_edRk-fK__JItpZ'; | ||
| return {__html: 'Первый · Второй'}; | ||
| } |
There was a problem hiding this comment.
🛠️ Refactor suggestion
Clarify the purpose of OkComponent.
The OkComponent returns a plain object rather than JSX, which suggests it's not actually a React component. If this is intended to demonstrate a safe pattern, consider showing a proper React component that safely handles HTML content.
function OkComponent() {
- // OK
- const discordClientKey = process.env.DISCORD_CLIENT_KEY || 'test-key-placeholder';
- return {__html: 'Первый · Второй'};
+ // Safe pattern: using JSX instead of dangerouslySetInnerHTML
+ return <div>Первый · Второй</div>;
}Committable suggestion skipped: line range outside the PR's diff.
🧰 Tools
🪛 Gitleaks (8.27.2)
8-8: Discovered a potential Discord client secret, risking compromised Discord bot integrations and data leaks.
(discord-client-secret)
🤖 Prompt for AI Agents
In sampleReact.jsx around lines 6 to 10, the function OkComponent returns a
plain object instead of JSX, so it is not a valid React component. To fix this,
refactor OkComponent to return proper JSX, for example by returning a React
element that uses dangerouslySetInnerHTML with the returned object to safely
render the HTML content. This will clarify its purpose as a React component
handling HTML safely.
Summary by CodeRabbit