[Snyk] Fix for 11 vulnerabilities

[snyk-bot]

Snyk has created this PR to fix one or more vulnerable packages in the `npm` dependencies of this project.

Changes included in this PR

• Changes to the following files to upgrade the vulnerable dependencies to a fixed version:
  • packages/react-scripts/package.json

Vulnerabilities that will be fixed

With an upgrade:

Severity	Priority Score (*)	Issue	Breaking Change	Exploit Maturity
	479/1000 Why? Has a fix available, CVSS 5.3	Regular Expression Denial of Service (ReDoS) SNYK-JS-CSSWHAT-1298035	Yes	No Known Exploit
	586/1000 Why? Proof of Concept exploit, Has a fix available, CVSS 5.3	Regular Expression Denial of Service (ReDoS) SNYK-JS-ISSVG-1085627	Yes	Proof of Concept
	586/1000 Why? Proof of Concept exploit, Has a fix available, CVSS 5.3	Regular Expression Denial of Service (ReDoS) SNYK-JS-ISSVG-1243891	Yes	Proof of Concept
	509/1000 Why? Has a fix available, CVSS 5.9	Denial of Service (DoS) SNYK-JS-JSYAML-173999	Yes	No Known Exploit
	619/1000 Why? Has a fix available, CVSS 8.1	Arbitrary Code Execution SNYK-JS-JSYAML-174129	Yes	No Known Exploit
	589/1000 Why? Has a fix available, CVSS 7.5	Prototype Pollution SNYK-JS-MERGE-1040469	Yes	No Known Exploit
	686/1000 Why? Proof of Concept exploit, Has a fix available, CVSS 7.3	Prototype Pollution SNYK-JS-MERGE-1042987	Yes	Proof of Concept
	589/1000 Why? Has a fix available, CVSS 7.5	Regular Expression Denial of Service (ReDoS) SNYK-JS-NTHCHECK-1586032	Yes	No Known Exploit
	586/1000 Why? Proof of Concept exploit, Has a fix available, CVSS 5.3	Regular Expression Denial of Service (ReDoS) SNYK-JS-POSTCSS-1255640	Yes	Proof of Concept
	586/1000 Why? Proof of Concept exploit, Has a fix available, CVSS 5.3	Denial of Service (DoS) SNYK-JS-SOCKJS-575261	Yes	Proof of Concept
	479/1000 Why? Has a fix available, CVSS 5.3	Regular Expression Denial of Service (ReDoS) SNYK-JS-UGLIFYJS-1727251	Yes	No Known Exploit

(*) Note that the real score may have changed since the PR was raised.

Commit messages

Package name: css-loader

The new version differs by 85 commits.

• 634ab49 chore(release): 2.0.0
• 6ade2d0 refactor: remove unused file ("Displaying Lint Output in the Editor" instructions not working in VS Code facebook/create-react-app#860)
• e7525c9 test: nested url (Exit production build if any errors are in build stats facebook/create-react-app#859)
• 7259faa test: css hacks (Upgrade to Jest 16 facebook/create-react-app#858)
• 5e6034c feat: allow to filter import at-rules (NPM shows the latest version to be 0.5.0 facebook/create-react-app#857)
• 5e702e7 feat: allow filtering urls (Dispose error overlay when linting errors have been corrected facebook/create-react-app#856)
• 9642aa5 test: css stuff (Correct a comment mistype in webpack production config facebook/create-react-app#855)
• 3338656 fix: reduce number of require for url (Feature request: Doc generation facebook/create-react-app#854)
• 533abbe test: issue 636 (Using pow (virtual host proxy) causes websocket error facebook/create-react-app#853)
• 08c551c refactor: better warning on invalid url resolution (Add root imports with tilde prefix facebook/create-react-app#852)
• b0aa159 test: issue Added instructions for using local images facebook/create-react-app#589 (Update Jest to 16 facebook/create-react-app#851)
• f599c70 fix: broken unucode characters (Document folder layout in CONTRIBUTING.md facebook/create-react-app#850)
• 1e551f3 test: issue 286 (Add base routes for source files facebook/create-react-app#849)
• 419d27b docs: improve readme (Return correct package name when using a custom react-script scoped package facebook/create-react-app#848)
• d94a698 refactor: webpack-default (Build size info facebook/create-react-app#847)
• b97d997 feat: schema options
• 453248f fix: support module resolution in composes (favicon.ico spelled incorrectly in index.html facebook/create-react-app#845)
• 8a6ea10 refactor: postcss plugins (Fson eslint config react app e2e facebook/create-react-app#844)
• fdcf687 fix: url resolving logic (Missing script: start facebook/create-react-app#843)
• 889dc7f feat: allow to disable css modules and disable their by default (Tin tức  facebook/create-react-app#842)
• ee2d253 test: importLoaders option (Update instructions on publishing to GitHub pages facebook/create-react-app#841)
• 1dad1fb feat: reuse postcss ast from other loaders (i.e `postcss-loader`) (Make webpackHotDevClient support webpack 2 too facebook/create-react-app#840)
• fe94ebc test: icss reserved keywords (Make react-dev-utils/webpackHotDevClient work with webpack 2 facebook/create-react-app#839)
• 9eaba66 refactor: migrate on message api for postcss-icss-plugin (Add Rails link to User Guide facebook/create-react-app#838)

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Package name: html-webpack-plugin

The new version differs by 196 commits.

• eb73905 chore(release): 4.0.0
• 42a6d4a Add typing for getHooks
• a1a37cf Release html-webpack-plugin 4.0.0-beta.14
• 97f9fb9 fix: load script files before style files files in defer script loading mode
• e97ce17 Release html-webpack-plugin 4.0.0-beta.13
• e448b5d Release html-webpack-plugin 4.0.0-beta.12
• de315eb feat: Add defer script loading
• 7df269f feat: Provide a verbose error message if html minification failed
• 1d66e53 feat: merge templateParameters with default template parameters
• dfb98e7 Fix typo in template option docts
• 096a760 Fix broken links in examples
• a195c34 docs: Update template-option documentation
• 40b410e docs: Update example for template parameters
• bf017f3 chore: Release 4.0.0-beta.11
• 2549557 test: Don't use minification for speed measurement
• de22fc2 test: Adjust measurment for node 6 on travis
• 24bf1b5 fix: Update references to html-minifier
• f4eafdc chore: Release 4.0.0-beta.10
• a2ad30a refactor: Use getAssetPath instead of calling the hook directly
• 2595a79 chore: Release 4.0.0-beta.9
• c66766c feat: Add support for minifying inline ES6 inside html templates
• 655cbcd Fix README typo
• 6de319b update lodash dependency for prototype polution vulnerability
• 35a1541 Properly encode file names emitted as part of URLs.

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Package name: webpack

The new version differs by 250 commits.

• 04f90c5 4.26.0
• e1df721 Merge pull request Unable to install react-navigation facebook/create-react-app#8392 from vkrol/cherry-pick-terser-to-webpack-4
• a818def fix for changed API in terser plugin warningsFilter
• b39abf4 Rename test directories too
• 311a728 Switch from uglifyjs-webpack-plugin to terser-webpack-plugin
• a230148 Merge pull request Dynamically changing PUBLIC_URL in the CD step of CI/CD pipeline facebook/create-react-app#8351 from DeTeam/chunk-jsdoc-typo
• 7a0af76 Fix a typo in Chunk#split jsdoc comment
• 2361995 4.25.1
• e2a2016 Merge pull request Create-react app facebook/create-react-app#8338 from webpack/bugfix/issue-8293
• babe736 replace prefix/postfix even when equal for wrapped context
• dcd0d59 test for Minor grammatical edit facebook/create-react-app#8293
• af123a8 Merge pull request Need to credit caniuse-lite in produced web app? facebook/create-react-app#8334 from webpack/bugfix/lint
• 36eb0bb move azure specific commands to azure-pipelines.yml
• 290094e 4.25.0
• 355590e Merge pull request React Scripts 3.3.0 breaks Heroku build facebook/create-react-app#8250 from Aladdin-ADD/patch-3
• 0293c3a Merge pull request Aborting installation. npm install --save --save-exact --loglevel error react react-dom react-scripts cra-template has failed. facebook/create-react-app#8279 from smelukov/support-entry-progress
• 1ea411b Merge pull request Provide a way to configure the mainFields for webpack facebook/create-react-app#8139 from NaviMarella/FormatManifest
• 4b72635 exclude watch test cases
• e35d084 increase test timeout
• 6be1411 move schema into definitions
• 3d74504 add missing hooks to progress
• 56d8a8f prevent writing the same message multiple times to stderr
• 64e3826 use flags to show different parts of the progress message
• 8c5e74f Merge branch 'master' into support-entry-progress

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Package name: webpack-dev-server

The new version differs by 250 commits.

• 4ab1f21 chore(release): 3.11.0
• 0e51fb1 fix: invalidate route (Provide empty mock for dgram module facebook/create-react-app#2584)
• f857c40 chore: deps and tests
• 41d1d0c fix(deps): security vulnerability in yargs-parser (proxy option not working/webpack-dev-server debugging advice facebook/create-react-app#2566)
• 375ab23 ci: add node@14 (Server side rendering  facebook/create-react-app#2530)
• 776e7d4 chore(deps): update dependency html-entities to ^1.3.1 (master) (Deploying to GitHub Pages and using %PUBLIC_URL%  facebook/create-react-app#2513)
• 984536c chore: update lint-staged config (Unexpected token import when running Non-Related React tests facebook/create-react-app#2524)
• 89ffb86 feat: add invalidate endpoint (Support relay modern facebook/create-react-app#2493)
• 0e9bffb chore(deps): update all patch dependencies (URIjs fails with bad hash facebook/create-react-app#2508)
• 99ccfd8 fix: update jquery (Improve warning message if port needs admin permissions to bind facebook/create-react-app#2516)
• 06583f2 fix: do not swallow errors from server (Development server on port 80 does not start facebook/create-react-app#2512)
• 0d5c681 fix(server): don't crash on setupExitSignals(undefined) (Suggestion: Don't collect code coverage from registerServiceWorker.js File facebook/create-react-app#2507)
• c436058 chore(deps): update all patch dependencies (master) (patch) (Heroku: Module not found  facebook/create-react-app#2503)
• 4808abd feat(progess): emit progress-update (Optional Sass support - Part 2 facebook/create-react-app#2498)
• adeb92e feat: allow open option to accept an object (Update webpack links to point to webpack 2 facebook/create-react-app#2492)
• c6bdfe4 feat(contentBasePublicPath): allow multiple paths (chore(templates): Move GitHub templates to hidden .github folder facebook/create-react-app#2489)
• f317358 chore(deps): update all patch dependencies (master) (patch) (Cannot install CRA due to scoped module @timer/detect-port facebook/create-react-app#2481)
• de763e9 chore(deps): update all minor dependencies (master) (minor) (after migrating from 0.9.5 to 1.0.0 i'm getting error message. __webpack_require__.i(...) is not a function facebook/create-react-app#2473)
• f7b6fa1 chore(deps): update package-lock.json (Component generator (is it worth adding to docs?) facebook/create-react-app#2482)
• 3bf43a7 chore(deps): update all patch dependencies (why I can't use bundle-loader like this? facebook/create-react-app#2477)
• 12d76be docs: fix typos across the project (its error from mac code to windows,when i npm start facebook/create-react-app#2452)
• 9a6e4a1 chore(deps): update all patch dependencies (Allow importing package.json facebook/create-react-app#2468)
• d4739f8 chore(deps): update dependency husky to v4 (Update webpack to 2.6.1 facebook/create-react-app#2383)
• 5f357f3 chore(deps): update all patch dependencies (CSS autoprefixer breaking flexbox in Safari facebook/create-react-app#2450)

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