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") | **696/1000** **Why?** Proof of Concept exploit, Has a fix available, CVSS 7.5 | Regular Expression Denial of Service (ReDoS) [SNYK-JS-ANSIREGEX-1583908](https://snyk.io/vuln/SNYK-JS-ANSIREGEX-1583908) | Yes | Proof of Concept
![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **631/1000** **Why?** Proof of Concept exploit, Has a fix available, CVSS 6.2 | Missing Release of Resource after Effective Lifetime [SNYK-JS-INFLIGHT-6095116](https://snyk.io/vuln/SNYK-JS-INFLIGHT-6095116) | Yes | Proof of Concept
![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **646/1000** **Why?** Proof of Concept exploit, Has a fix available, CVSS 6.5 | Server-side Request Forgery (SSRF) [SNYK-JS-REQUEST-3361831](https://snyk.io/vuln/SNYK-JS-REQUEST-3361831) | Yes | Proof of Concept
![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **646/1000** **Why?** Proof of Concept exploit, Has a fix available, CVSS 6.5 | Prototype Pollution [SNYK-JS-TOUGHCOOKIE-5672873](https://snyk.io/vuln/SNYK-JS-TOUGHCOOKIE-5672873) | Yes | Proof of Concept
![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.
Commit messagesPackage name: react-scripts
The new version differs by 238 commits.
See the full diff
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/twilio-47w/project/975258f8-97c6-46df-af42-a6d1febcf94d?utm_source=github-enterprise&utm_medium=referral&page=fix-pr)
🛠 [Adjust project settings](https://app.snyk.io/org/twilio-47w/project/975258f8-97c6-46df-af42-a6d1febcf94d?utm_source=github-enterprise&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":"b5e70096-3f1f-4274-9495-c2fba597c8f5","prPublicId":"b5e70096-3f1f-4274-9495-c2fba597c8f5","dependencies":[{"name":"react-scripts","from":"3.4.1","to":"5.0.0"}],"packageManager":"npm","projectPublicId":"975258f8-97c6-46df-af42-a6d1febcf94d","projectUrl":"https://app.snyk.io/org/twilio-47w/project/975258f8-97c6-46df-af42-a6d1febcf94d?utm_source=github-enterprise&utm_medium=referral&page=fix-pr","type":"auto","patch":[],"vulns":["SNYK-JS-ANSIREGEX-1583908","SNYK-JS-INFLIGHT-6095116","SNYK-JS-REQUEST-3361831","SNYK-JS-TOUGHCOOKIE-5672873","SNYK-JS-UNSETVALUE-2400660"],"upgrade":["SNYK-JS-ANSIREGEX-1583908","SNYK-JS-INFLIGHT-6095116","SNYK-JS-REQUEST-3361831","SNYK-JS-TOUGHCOOKIE-5672873","SNYK-JS-UNSETVALUE-2400660"],"isBreakingChange":true,"env":"prod","prType":"fix","templateVariants":["updated-fix-title","priorityScore"],"priorityScoreList":[696,631,646,646,589],"remediationStrategy":"vuln"})
---
**Learn how to fix vulnerabilities with free interactive lessons:**
🦉 [Regular Expression Denial of Service (ReDoS)](https://learn.snyk.io/lesson/redos/?loc=fix-pr)
🦉 [Server-side Request Forgery (SSRF)](https://learn.snyk.io/lesson/ssrf-server-side-request-forgery/?loc=fix-pr)
🦉 [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") | **696/1000****Why?** Proof of Concept exploit, Has a fix available, CVSS 7.5 | Regular Expression Denial of Service (ReDoS)
[SNYK-JS-ANSIREGEX-1583908](https://snyk.io/vuln/SNYK-JS-ANSIREGEX-1583908) | Yes | Proof of Concept ![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **631/1000**
**Why?** Proof of Concept exploit, Has a fix available, CVSS 6.2 | Missing Release of Resource after Effective Lifetime
[SNYK-JS-INFLIGHT-6095116](https://snyk.io/vuln/SNYK-JS-INFLIGHT-6095116) | Yes | Proof of Concept ![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **646/1000**
**Why?** Proof of Concept exploit, Has a fix available, CVSS 6.5 | Server-side Request Forgery (SSRF)
[SNYK-JS-REQUEST-3361831](https://snyk.io/vuln/SNYK-JS-REQUEST-3361831) | Yes | Proof of Concept ![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **646/1000**
**Why?** Proof of Concept exploit, Has a fix available, CVSS 6.5 | Prototype Pollution
[SNYK-JS-TOUGHCOOKIE-5672873](https://snyk.io/vuln/SNYK-JS-TOUGHCOOKIE-5672873) | Yes | Proof of Concept ![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.
Commit messages
Package name: react-scripts
The new version differs by 238 commits.