This PR was automatically created by Snyk using the credentials of a real user.
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:
- package.json
#### Vulnerabilities that will be fixed
##### With an upgrade:
Severity | Priority Score (*) | Issue | Breaking Change | Exploit Maturity
:-------------------------:|-------------------------|:-------------------------|:-------------------------|:-------------------------
![high severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/h.png "high severity") | **589/1000** **Why?** Has a fix available, CVSS 7.5 | Prototype Pollution [SNYK-JS-UNSETVALUE-2400660](https://snyk.io/vuln/SNYK-JS-UNSETVALUE-2400660) | Yes | No Known Exploit
(*) Note that the real score may have changed since the PR was raised.
Check the changes in this PR to ensure they won't cause issues with your project.
------------
**Note:** *You are seeing this because you or someone else with access to this repository has authorized Snyk to open fix PRs.*
For more information:
🧐 [View latest project report](https://app.snyk.io/org/helloyou2012/project/2364c43f-4554-4d4e-835b-38bd497dc087?utm_source=github&utm_medium=referral&page=fix-pr)
🛠 [Adjust project settings](https://app.snyk.io/org/helloyou2012/project/2364c43f-4554-4d4e-835b-38bd497dc087?utm_source=github&utm_medium=referral&page=fix-pr/settings)
📚 [Read more about Snyk's upgrade and patch logic](https://support.snyk.io/hc/en-us/articles/360003891078-Snyk-patches-to-fix-vulnerabilities)
[//]: # (snyk:metadata:{"prId":"c49ed6f8-a0d4-4c5d-b5c1-10ea13b8d9c2","prPublicId":"c49ed6f8-a0d4-4c5d-b5c1-10ea13b8d9c2","dependencies":[{"name":"webpack-dev-server","from":"3.11.3","to":"4.0.0"}],"packageManager":"npm","projectPublicId":"2364c43f-4554-4d4e-835b-38bd497dc087","projectUrl":"https://app.snyk.io/org/helloyou2012/project/2364c43f-4554-4d4e-835b-38bd497dc087?utm_source=github&utm_medium=referral&page=fix-pr","type":"auto","patch":[],"vulns":["SNYK-JS-UNSETVALUE-2400660"],"upgrade":["SNYK-JS-UNSETVALUE-2400660"],"isBreakingChange":true,"env":"prod","prType":"fix","templateVariants":["updated-fix-title","priorityScore"],"priorityScoreList":[589],"remediationStrategy":"vuln"})
---
**Learn how to fix vulnerabilities with free interactive lessons:**
🦉 [Prototype Pollution](https://learn.snyk.io/lesson/prototype-pollution/?loc=fix-pr)
This PR was automatically created by Snyk using the credentials of a real user.
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: - package.json #### Vulnerabilities that will be fixed ##### With an upgrade: Severity | Priority Score (*) | Issue | Breaking Change | Exploit Maturity :-------------------------:|-------------------------|:-------------------------|:-------------------------|:------------------------- ![high severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/h.png "high severity") | **589/1000****Why?** Has a fix available, CVSS 7.5 | Prototype Pollution
[SNYK-JS-UNSETVALUE-2400660](https://snyk.io/vuln/SNYK-JS-UNSETVALUE-2400660) | Yes | No Known Exploit (*) Note that the real score may have changed since the PR was raised. Check the changes in this PR to ensure they won't cause issues with your project. ------------ **Note:** *You are seeing this because you or someone else with access to this repository has authorized Snyk to open fix PRs.* For more information: