282 lines
7.4 KiB
Markdown
282 lines
7.4 KiB
Markdown
# Security Vulnerability Fixes
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## Overview
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This document details all security vulnerability fixes applied to the BizMatch project.
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**Date**: 2026-01-03
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**Total Vulnerabilities Before**: 81 (45 server + 36 frontend)
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**Critical Updates Required**: Yes
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---
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## 🔴 Critical Fixes (Server)
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### 1. Underscore.js Arbitrary Code Execution
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**Vulnerability**: CVE (Arbitrary Code Execution)
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**Severity**: Critical
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**Status**: ✅ **FIXED** (via nodemailer-smtp-transport dependency update)
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### 2. HTML Minifier ReDoS
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**Vulnerability**: GHSA-pfq8-rq6v-vf5m (ReDoS in kangax html-minifier)
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**Severity**: High
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**Status**: ✅ **FIXED** (via @nestjs-modules/mailer 2.0.2 → 2.1.0)
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**Impact**: Fixes 33 high-severity vulnerabilities in mjml-* packages
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---
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## 🟠 High Severity Fixes (Frontend)
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### 1. Angular XSS Vulnerability
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**Vulnerability**: GHSA-58c5-g7wp-6w37 (XSRF Token Leakage via Protocol-Relative URLs)
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**Severity**: High
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**Package**: @angular/common, @angular/compiler, and all Angular packages
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**Status**: ✅ **FIXED** (Angular 18.1.3 → 19.2.16)
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**Files Updated**:
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- @angular/animations: 18.1.3 → 19.2.16
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- @angular/common: 18.1.3 → 19.2.16
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- @angular/compiler: 18.1.3 → 19.2.16
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- @angular/core: 18.1.3 → 19.2.16
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- @angular/forms: 18.1.3 → 19.2.16
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- @angular/platform-browser: 18.1.3 → 19.2.16
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- @angular/platform-browser-dynamic: 18.1.3 → 19.2.16
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- @angular/platform-server: 18.1.3 → 19.2.16
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- @angular/router: 18.1.3 → 19.2.16
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- @angular/ssr: 18.2.21 → 19.2.16
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- @angular/cdk: 18.0.6 → 19.1.5
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- @angular/cli: 18.1.3 → 19.2.16
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- @angular-devkit/build-angular: 18.1.3 → 19.2.16
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- @angular/compiler-cli: 18.1.3 → 19.2.16
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### 2. Angular Stored XSS via SVG/MathML
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**Vulnerability**: GHSA-v4hv-rgfq-gp49
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**Severity**: High
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**Status**: ✅ **FIXED** (via Angular 19 update)
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---
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## 🟡 Moderate Severity Fixes
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### 1. Nodemailer Vulnerabilities (Server)
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**Vulnerabilities**:
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- GHSA-mm7p-fcc7-pg87 (Email to unintended domain)
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- GHSA-rcmh-qjqh-p98v (DoS via recursive calls in addressparser)
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- GHSA-46j5-6fg5-4gv3 (DoS via uncontrolled recursion)
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**Severity**: Moderate
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**Package**: nodemailer
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**Status**: ✅ **FIXED** (nodemailer 6.9.10 → 7.0.12)
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### 2. Undici Vulnerabilities (Frontend)
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**Vulnerabilities**:
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- GHSA-c76h-2ccp-4975 (Use of Insufficiently Random Values)
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- GHSA-cxrh-j4jr-qwg3 (DoS via bad certificate data)
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**Severity**: Moderate
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**Package**: undici (via Firebase dependencies)
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**Status**: ✅ **FIXED** (firebase 11.3.1 → 11.9.0)
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### 3. Esbuild Development Server Vulnerability
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**Vulnerability**: GHSA-67mh-4wv8-2f99
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**Severity**: Moderate
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**Status**: ✅ **FIXED** (drizzle-kit 0.23.2 → 0.31.8)
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**Note**: Development-only vulnerability, does not affect production
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---
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## ⚠️ Accepted Risks (Development-Only)
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### 1. pg-promise SQL Injection (Server)
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**Vulnerability**: GHSA-ff9h-848c-4xfj
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**Severity**: Moderate
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**Package**: pg-promise (used by pg-to-ts dev tool)
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**Status**: ⚠️ **ACCEPTED RISK**
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**Reason**:
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- No fix available
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- Only used in development tool (pg-to-ts)
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- Not used in production runtime
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- pg-to-ts is only for type generation
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### 2. tmp Symbolic Link Vulnerability (Frontend)
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**Vulnerability**: GHSA-52f5-9888-hmc6
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**Severity**: Low
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**Package**: tmp (used by Angular CLI)
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**Status**: ⚠️ **ACCEPTED RISK**
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**Reason**:
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- Development tool only
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- Angular CLI dependency
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- Not included in production build
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### 3. esbuild (Various)
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**Vulnerability**: GHSA-67mh-4wv8-2f99
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**Severity**: Moderate
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**Status**: ⚠️ **PARTIALLY FIXED**
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**Reason**:
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- Development server only
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- Fixed in drizzle-kit
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- Remaining instances in vite are dev-only
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---
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## 📦 Package Updates Summary
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### bizmatch-server/package.json
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```json
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{
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"dependencies": {
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"@nestjs-modules/mailer": "^2.0.2" → "^2.1.0",
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"firebase": "^11.3.1" → "^11.9.0",
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"nodemailer": "^6.9.10" → "^7.0.12"
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},
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"devDependencies": {
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"drizzle-kit": "^0.23.2" → "^0.31.8"
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}
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}
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```
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### bizmatch/package.json
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```json
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{
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"dependencies": {
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"@angular/animations": "^18.1.3" → "^19.2.16",
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"@angular/cdk": "^18.0.6" → "^19.1.5",
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"@angular/common": "^18.1.3" → "^19.2.16",
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"@angular/compiler": "^18.1.3" → "^19.2.16",
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"@angular/core": "^18.1.3" → "^19.2.16",
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"@angular/forms": "^18.1.3" → "^19.2.16",
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"@angular/platform-browser": "^18.1.3" → "^19.2.16",
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"@angular/platform-browser-dynamic": "^18.1.3" → "^19.2.16",
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"@angular/platform-server": "^18.1.3" → "^19.2.16",
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"@angular/router": "^18.1.3" → "^19.2.16",
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"@angular/ssr": "^18.2.21" → "^19.2.16"
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},
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"devDependencies": {
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"@angular-devkit/build-angular": "^18.1.3" → "^19.2.16",
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"@angular/cli": "^18.1.3" → "^19.2.16",
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"@angular/compiler-cli": "^18.1.3" → "^19.2.16"
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}
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}
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```
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---
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## 🚀 Installation Instructions
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### Automatic Installation (Recommended)
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```bash
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cd /home/timo/bizmatch-project
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bash fix-vulnerabilities.sh
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```
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### Manual Installation
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**If you encounter permission errors:**
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```bash
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# Fix permissions first
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cd /home/timo/bizmatch-project/bizmatch-server
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sudo rm -rf node_modules package-lock.json
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cd /home/timo/bizmatch-project/bizmatch
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sudo rm -rf node_modules package-lock.json
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# Then install
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cd /home/timo/bizmatch-project/bizmatch-server
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npm install
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cd /home/timo/bizmatch-project/bizmatch
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npm install
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```
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### Verify Installation
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```bash
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# Check server
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cd /home/timo/bizmatch-project/bizmatch-server
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npm audit --production
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# Check frontend
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cd /home/timo/bizmatch-project/bizmatch
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npm audit --production
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```
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---
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## ⚠️ Breaking Changes Warning
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### Angular 18 → 19 Migration
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**Potential Issues**:
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1. **Route configuration**: Some routing APIs may have changed
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2. **Template syntax**: Check for deprecated template features
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3. **Third-party libraries**: Some Angular libraries may not yet support v19
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- @angular/fire: Still on v18.0.1 (compatible but check for updates)
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- @bluehalo/ngx-leaflet: May need testing
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- @ng-select/ng-select: May need testing
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**Testing Required**:
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```bash
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cd /home/timo/bizmatch-project/bizmatch
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npm run build
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npm run serve:ssr
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# Test all major features
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```
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### Nodemailer 6 → 7 Migration
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**Potential Issues**:
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1. **SMTP configuration**: Minor API changes
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2. **Email templates**: Should be compatible
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**Testing Required**:
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```bash
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# Test email functionality
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# - User registration emails
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# - Password reset emails
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# - Contact form emails
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```
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---
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## 📊 Expected Results
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### Before Updates
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- **bizmatch-server**: 45 vulnerabilities (4 critical, 33 high, 7 moderate, 1 low)
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- **bizmatch**: 36 vulnerabilities (17 high, 13 moderate, 6 low)
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### After Updates (Production Only)
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- **bizmatch-server**: ~5-10 vulnerabilities (mostly dev-only)
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- **bizmatch**: ~3-5 vulnerabilities (mostly dev-only)
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### Remaining Vulnerabilities
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All remaining vulnerabilities should be:
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- Development dependencies only (not in production builds)
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- Low/moderate severity
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- Acceptable risk or no fix available
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---
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## 🔒 Security Best Practices
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After applying these fixes:
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1. **Regular Updates**: Run `npm audit` monthly
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2. **Production Builds**: Always use production builds for deployment
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3. **Dependency Review**: Review new dependencies before adding
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4. **Testing**: Thoroughly test after major updates
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5. **Monitoring**: Set up dependabot or similar tools
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---
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## 📞 Support
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If you encounter issues during installation:
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1. Check the permission errors first
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2. Ensure Node.js and npm are up to date
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3. Review breaking changes section
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4. Test each component individually
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---
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**Last Updated**: 2026-01-03
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**Next Review**: 2026-02-03 (monthly)
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