[Snyk] Security upgrade dompurify from 2.4.5 to 2.5.4

[snyk-io]

---

EntelligenceAI PR Summary

Updates the dompurify dependency in the microsoft-calendar plugin to incorporate bug fixes and security improvements.

• Bumped dompurify from ^2.3.6 to ^2.5.4 in plugins/microsoft-calendar/package.json
• Minor version update maintains compatibility within the 2.x range
• Includes security patches for the HTML sanitization library

[sourcery-ai]

Reviewer's Guide

This PR updates the dompurify dependency in the microsoft-calendar plugin from v2.3.6 to v2.5.4 to resolve a high-severity prototype pollution vulnerability and notes the need to regenerate the yarn.lock before merging.

File-Level Changes

Change	Details	Files
Upgrade dompurify to a patched version	Bump dompurify version spec from ^2.3.6 to ^2.5.4 in package.json Add reminder to manually update yarn.lock prior to merge	plugins/microsoft-calendar/package.json

---

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👍 No dependency changes detected in pull request

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[entelligence-ai-pr-reviews]

🔒 Entelligence AI Vulnerability Scanner

✅ No security vulnerabilities found!

Your code passed our comprehensive security analysis.

---

[entelligence-ai-pr-reviews]

Walkthrough

This PR updates the DOMPurify dependency in the Microsoft Calendar plugin from version 2.3.6 to 2.5.4. DOMPurify is a critical security library used for sanitizing HTML content to prevent Cross-Site Scripting (XSS) attacks. The update ensures the plugin incorporates the latest security patches and improvements available in the newer version, enhancing the overall security posture of the Microsoft Calendar plugin.

Changes

File(s)	Summary
plugins/microsoft-calendar/package.json	Updated the dompurify dependency from version 2.3.6 to 2.5.4

Sequence Diagram

This diagram shows the interactions between components:

sequenceDiagram
    title Microsoft Calendar Plugin with DOMPurify Integration
    
    actor User
    participant UI as "Calendar UI"
    participant Plugin as "Microsoft Calendar Plugin"
    participant GraphAPI as "Microsoft Graph API"
    participant DOMPurify as "DOMPurify v2.5.4"
    
    User->>UI: View calendar events
    activate UI
    UI->>Plugin: fetchEvents()
    activate Plugin
    
    Plugin->>GraphAPI: Request calendar events
    activate GraphAPI
    GraphAPI-->>Plugin: Return events with HTML content
    deactivate GraphAPI
    
    Note over Plugin,DOMPurify: Security update: DOMPurify 2.3.6 → 2.5.4
    
    loop For each event with HTML content
        Plugin->>DOMPurify: sanitize(htmlContent)
        activate DOMPurify
        DOMPurify-->>Plugin: Return sanitized HTML
        deactivate DOMPurify
    end
    
    Plugin-->>UI: Return sanitized events
    deactivate Plugin
    
    UI-->>User: Display safe calendar events
    deactivate UI

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[snyk-io]

⛔ Snyk checks have failed. 84 issues have been found so far.

Status	Scanner	Critical	High	Medium	Low	Total (84)
⛔	Open Source Security	16	25	38	5	84 issues

💻 Catch issues earlier using the plugins for VS Code, JetBrains IDEs, Visual Studio, and Eclipse.

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[entelligence-ai-pr-reviews]

Walkthrough

This PR updates the DOMPurify dependency in the Microsoft Calendar plugin from version 2.3.6 to 2.5.4. DOMPurify is a critical security library used for sanitizing HTML content to prevent Cross-Site Scripting (XSS) attacks. The update ensures the plugin incorporates the latest security patches and improvements available in the newer version, enhancing the overall security posture of the Microsoft Calendar plugin.

Changes

File(s)	Summary
plugins/microsoft-calendar/package.json	Updated the dompurify dependency from version 2.3.6 to 2.5.4

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📝 Walkthrough

This PR updates the DOMPurify library from version 2.3.6 to 2.5.4 in the Microsoft Calendar plugin. This is a critical security update that addresses multiple high-severity vulnerabilities, including CVE-2024-47875 (CVSS 10.0), which could allow attackers to bypass HTML sanitization through DOM nesting techniques.

The Microsoft Calendar plugin uses DOMPurify to sanitize HTML content from calendar event descriptions before rendering them with dangerouslySetInnerHTML. Without this update, the plugin could be vulnerable to sophisticated XSS attacks targeting calendar content.

📊 Changes

File	Change
plugins/microsoft-calendar/package.json	Updated DOMPurify from ^2.3.6 to ^2.5.4

🔒 Security Highlights

• 🔴 CVE-2024-47875 (CVSS: 10.0) - Fixed nesting-based mXSS vulnerability
• 🔴 CVE-2022-48645 - Fixed mutation XSS using DOM clobbering attacks
• 🔴 CVE-2022-48644 - Fixed XSS due to namespace confusion during sanitization
• 🔴 CVE-2023-23584 - Fixed prototype pollution when sanitizing in place

---

🚨 Critical Issues Identified

• Missing Security Tests: No tests exist to validate DOMPurify sanitization behavior or XSS prevention
• Lack of CSP Integration: No documentation on Content Security Policy requirements for the plugin
• Incomplete Error Handling: No error handling around DOMPurify.sanitize() calls
• Overly Permissive HTML Profile: Using generic HTML profile may allow more tags than needed
• No Fallback Content Strategy: No graceful degradation if sanitization removes all content

Sequence Diagram

This diagram shows the interactions between components:

sequenceDiagram
    title Microsoft Calendar Plugin - DOMPurify Usage
    
    participant User
    participant Calendar as "Microsoft Calendar Plugin"
    participant DOMPurify as "DOMPurify v2.5.4"
    participant MSGraph as "Microsoft Graph API"
    
    User->>Calendar: View calendar event
    Calendar->>MSGraph: Fetch event details
    MSGraph-->>Calendar: Return event data (with HTML content)
    
    Note over Calendar,DOMPurify: Sanitization process
    Calendar->>DOMPurify: sanitize(htmlContent)
    DOMPurify-->>Calendar: Return sanitized HTML
    
    Calendar-->>User: Display sanitized event content

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🔒 Security Analysis

• Vulnerabilities: 0
• Bugs: 0
• Code Smells: 0
• Security Hotspots: 0

Caution

8 comments are outside the diff range and can't be posted inline due to platform limitations.

⚠️ View Outside Diff Range Comments (8)

🔴 Critical High Priority  ·  2 issues

plugins/microsoft-calendar/src/plugin.test.ts  ·  1 comment

1. Lines entire file · Security

Missing security tests for HTML sanitization. No validation of DOMPurify sanitization behavior, no XSS prevention tests for calendar event content, and no regression tests for malicious HTML inputs.

Committable Code Suggestion

‼️ Ensure you review the code suggestion before committing it to the branch. Make sure it replaces the highlighted code, contains no missing lines, and has no issues with indentation.

/*
 * SECURITY FIX: Comprehensive Security Tests for Microsoft Calendar Plugin
 * 
 * This file provides comprehensive security tests for the DOMPurify sanitization
 * used in the Microsoft Calendar plugin. It addresses the critical test coverage
 * gap identified in the security review.
 * 
 * REPL...
*/

plugins/microsoft-calendar/src/components/CalendarEventPopoverContent.tsx  ·  1 comment

1. Lines 98-103 · Security

Lack of Content Security Policy (CSP) Integration. No CSP considerations documented for dangerouslySetInnerHTML usage, no guidance on safe CSP configuration for calendar content.

🟡 Medium Medium Priority  ·  3 issues

plugins/microsoft-calendar/src/components/CalendarEventPopoverContent.tsx  ·  3 comments

1. Lines 98-103 · Security

Incomplete Error Handling. No error handling around DOMPurify.sanitize() which could break component rendering if an exception occurs.

Committable Code Suggestion

‼️ Ensure you review the code suggestion before committing it to the branch. Make sure it replaces the highlighted code, contains no missing lines, and has no issues with indentation.

/*
 * SECURITY FIX: Enhanced Error Handling for DOMPurify Sanitization
 * 
 * This file provides an improved version of CalendarEventPopoverContent
 * with proper error handling around DOMPurify operations and fallback strategies.
 * 
 * IMPROVEMENTS:
 * - Try-catch wrapper around DOMPurify.sanitize...
*/

---

2. Lines 101 · Security

Overly Permissive HTML Profile. Using generic HTML profile (USE_PROFILES: { html: true }) may allow more tags than needed for calendar events.

---

3. Lines 98-103 · Correctness

No Fallback Content Strategy. No graceful degradation if sanitization removes all content, resulting in an empty div.

🟢 Minor Low Priority  ·  3 issues

plugins/microsoft-calendar/src/components/CalendarEventPopoverContent.tsx  ·  3 comments

1. Lines 98-103 · Performance

Performance Optimization Opportunity. DOMPurify.sanitize() is called on every render without memoization for identical event content.

---

2. Lines 99 · Correctness

TypeScript Strictness. Type safety around event.body.content access could be improved.

---

3. Lines 98-103 · Security

Logging for Security Monitoring. No logging when DOMPurify removes content, which could indicate attack attempts.

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[entelligence-ai-pr-reviews]

Walkthrough

This pull request updates the dompurify dependency in the microsoft-calendar plugin from version 2.3.6 to 2.5.4. This represents a minor version upgrade that brings bug fixes and security patches to the HTML sanitization library. The update maintains backward compatibility within the 2.x major version range through the use of the caret (^) version prefix, allowing automatic updates for future patch and minor releases while preventing breaking changes from major version updates.

Changes

File(s)	Summary
plugins/microsoft-calendar/package.json	Updated dompurify dependency from version ^2.3.6 to ^2.5.4 to include bug fixes and security patches.

Sequence Diagram

This diagram shows the interactions between components:

sequenceDiagram
    participant Dev as Developer
    participant Package as package.json
    participant NPM as NPM Registry
    participant App as Microsoft Calendar Plugin

    Note over Dev,App: Dependency Version Update (dompurify 2.3.6 → 2.5.4)
    
    Dev->>Package: Update dompurify version to ^2.5.4
    Dev->>NPM: npm install
    NPM->>NPM: Resolve dependencies
    NPM-->>App: Install dompurify@2.5.4
    
    Note over App: Plugin continues to use DOMPurify<br/>for HTML sanitization with updated version
    
    App->>App: Runtime: Sanitize calendar content<br/>using updated DOMPurify library

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[entelligence-ai-pr-reviews]

Walkthrough

This pull request updates the dompurify dependency in the microsoft-calendar plugin from version 2.3.6 to 2.5.4. This represents a minor version upgrade that brings bug fixes and security patches to the HTML sanitization library. The update maintains backward compatibility within the 2.x version range through the caret (^) versioning prefix, allowing automatic updates for future patch and minor releases while preventing breaking changes from major version updates.

Changes

File(s)	Summary
plugins/microsoft-calendar/package.json	Updated dompurify dependency from version ^2.3.6 to ^2.5.4 to incorporate bug fixes and security patches.

Sequence Diagram

This diagram shows the interactions between components:

sequenceDiagram
    participant Dev as Developer
    participant Package as package.json
    participant NPM as NPM Registry
    participant App as Microsoft Calendar Plugin

    Note over Dev,App: Dependency Version Update (dompurify 2.3.6 → 2.5.4)
    
    Dev->>Package: Update dompurify version to ^2.5.4
    Dev->>NPM: npm install
    NPM->>NPM: Resolve dependencies
    NPM-->>App: Install dompurify@2.5.4
    
    Note over App: Plugin continues to use DOMPurify<br/>for HTML sanitization with updated version
    
    App->>App: Runtime: Sanitize calendar content<br/>using updated DOMPurify library

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Walkthrough

This pull request updates the dompurify dependency in the microsoft-calendar plugin from version 2.3.6 to 2.5.4. This represents a minor version upgrade that brings bug fixes and security patches to the HTML sanitization library. The update maintains backward compatibility within the 2.x major version range through the use of the caret (^) version prefix, allowing automatic updates for future patch and minor releases while preventing breaking changes from major version updates.

Changes

File(s)	Summary
plugins/microsoft-calendar/package.json	Updated dompurify dependency from version ^2.3.6 to ^2.5.4 to include bug fixes and security patches.

Sequence Diagram

This diagram shows the interactions between components:

sequenceDiagram
    participant Dev as Developer
    participant Package as package.json
    participant NPM as NPM Registry
    participant App as Microsoft Calendar Plugin

    Note over Dev,App: Dependency Version Update (dompurify 2.3.6 → 2.5.4)
    
    Dev->>Package: Update dompurify version to ^2.5.4
    Dev->>NPM: npm install
    NPM->>NPM: Resolve dependencies
    NPM-->>App: Install dompurify@2.5.4
    
    Note over App: Plugin continues to use DOMPurify<br/>for HTML sanitization with updated version
    
    App->>App: Runtime: Sanitize calendar content<br/>using updated DOMPurify library

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