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
- package-lock.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") | **586/1000** **Why?** Proof of Concept exploit, Has a fix available, CVSS 5.3 | Regular Expression Denial of Service (ReDoS) [SNYK-JS-BROWSERSLIST-1090194](https://snyk.io/vuln/SNYK-JS-BROWSERSLIST-1090194) | Yes | Proof of Concept
![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **586/1000** **Why?** Proof of Concept exploit, Has a fix available, CVSS 5.3 | Regular Expression Denial of Service (ReDoS) [SNYK-JS-CSSWHAT-3035488](https://snyk.io/vuln/SNYK-JS-CSSWHAT-3035488) | Yes | Proof of Concept
![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **586/1000** **Why?** Proof of Concept exploit, Has a fix available, CVSS 5.3 | Regular Expression Denial of Service (ReDoS) [SNYK-JS-GLOBPARENT-1016905](https://snyk.io/vuln/SNYK-JS-GLOBPARENT-1016905) | Yes | Proof of Concept
![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 | Prototype Pollution [SNYK-JS-IMMER-1019369](https://snyk.io/vuln/SNYK-JS-IMMER-1019369) | Yes | Proof of Concept
![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **601/1000** **Why?** Proof of Concept exploit, Has a fix available, CVSS 5.6 | Prototype Pollution [SNYK-JS-IMMER-1540542](https://snyk.io/vuln/SNYK-JS-IMMER-1540542) | Yes | Proof of Concept
![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **429/1000** **Why?** Has a fix available, CVSS 4.3 | Reverse Tabnabbing [SNYK-JS-ISTANBULREPORTS-2328088](https://snyk.io/vuln/SNYK-JS-ISTANBULREPORTS-2328088) | Yes | No Known Exploit
![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **641/1000** **Why?** Proof of Concept exploit, Has a fix available, CVSS 6.4 | Prototype Pollution [SNYK-JS-JSON5-3182856](https://snyk.io/vuln/SNYK-JS-JSON5-3182856) | Yes | Proof of Concept
![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **479/1000** **Why?** Has a fix available, CVSS 5.3 | Regular Expression Denial of Service (ReDoS) [SNYK-JS-LOADERUTILS-3042992](https://snyk.io/vuln/SNYK-JS-LOADERUTILS-3042992) | Yes | No Known Exploit
![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-LOADERUTILS-3043105](https://snyk.io/vuln/SNYK-JS-LOADERUTILS-3043105) | Yes | No Known Exploit
![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **479/1000** **Why?** Has a fix available, CVSS 5.3 | Regular Expression Denial of Service (ReDoS) [SNYK-JS-LOADERUTILS-3105943](https://snyk.io/vuln/SNYK-JS-LOADERUTILS-3105943) | Yes | No Known Exploit
![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **479/1000** **Why?** Has a fix available, CVSS 5.3 | Regular Expression Denial of Service (ReDoS) [SNYK-JS-MINIMATCH-3050818](https://snyk.io/vuln/SNYK-JS-MINIMATCH-3050818) | Yes | No Known Exploit
![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-NTHCHECK-1586032](https://snyk.io/vuln/SNYK-JS-NTHCHECK-1586032) | Yes | Proof of Concept
![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **586/1000** **Why?** Proof of Concept exploit, Has a fix available, CVSS 5.3 | Regular Expression Denial of Service (ReDoS) [SNYK-JS-POSTCSS-1090595](https://snyk.io/vuln/SNYK-JS-POSTCSS-1090595) | Yes | Proof of Concept
![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **586/1000** **Why?** Proof of Concept exploit, Has a fix available, CVSS 5.3 | Regular Expression Denial of Service (ReDoS) [SNYK-JS-POSTCSS-1255640](https://snyk.io/vuln/SNYK-JS-POSTCSS-1255640) | Yes | Proof of Concept
![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **601/1000** **Why?** Proof of Concept exploit, Has a fix available, CVSS 5.6 | Command Injection [SNYK-JS-REACTDEVUTILS-1083268](https://snyk.io/vuln/SNYK-JS-REACTDEVUTILS-1083268) | Yes | Proof of Concept
![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **658/1000** **Why?** Proof of Concept exploit, Recently disclosed, Has a fix available, CVSS 5.3 | Regular Expression Denial of Service (ReDoS) [SNYK-JS-SEMVER-3247795](https://snyk.io/vuln/SNYK-JS-SEMVER-3247795) | Yes | Proof of Concept
![high severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/h.png "high severity") | **619/1000** **Why?** Has a fix available, CVSS 8.1 | Remote Code Execution (RCE) [SNYK-JS-SHELLQUOTE-1766506](https://snyk.io/vuln/SNYK-JS-SHELLQUOTE-1766506) | Yes | No Known Exploit
![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **641/1000** **Why?** Proof of Concept exploit, Has a fix available, CVSS 6.4 | Command Injection [SNYK-JS-SNYK-3037342](https://snyk.io/vuln/SNYK-JS-SNYK-3037342) | No | Proof of Concept
![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **571/1000** **Why?** Proof of Concept exploit, Has a fix available, CVSS 5 | Command Injection [SNYK-JS-SNYK-3038622](https://snyk.io/vuln/SNYK-JS-SNYK-3038622) | No | Proof of Concept
![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **504/1000** **Why?** Has a fix available, CVSS 5.8 | Code Injection [SNYK-JS-SNYK-3111871](https://snyk.io/vuln/SNYK-JS-SNYK-3111871) | No | No Known Exploit
![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **479/1000** **Why?** Has a fix available, CVSS 5.3 | Regular Expression Denial of Service (ReDoS) [SNYK-JS-TERSER-2806366](https://snyk.io/vuln/SNYK-JS-TERSER-2806366) | 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/atherdon/project/7ecdc70b-ac0f-4a17-9f14-9ab5b4fe020c?utm_source=github&utm_medium=referral&page=fix-pr)
🛠 [Adjust project settings](https://app.snyk.io/org/atherdon/project/7ecdc70b-ac0f-4a17-9f14-9ab5b4fe020c?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":"94dac77f-e850-477f-871f-6265be14ceec","prPublicId":"94dac77f-e850-477f-871f-6265be14ceec","dependencies":[{"name":"react-scripts","from":"3.4.4","to":"5.0.0"},{"name":"snyk","from":"1.963.0","to":"1.1064.0"}],"packageManager":"npm","projectPublicId":"7ecdc70b-ac0f-4a17-9f14-9ab5b4fe020c","projectUrl":"https://app.snyk.io/org/atherdon/project/7ecdc70b-ac0f-4a17-9f14-9ab5b4fe020c?utm_source=github&utm_medium=referral&page=fix-pr","type":"auto","patch":[],"vulns":["SNYK-JS-ANSIREGEX-1583908","SNYK-JS-BROWSERSLIST-1090194","SNYK-JS-CSSWHAT-3035488","SNYK-JS-GLOBPARENT-1016905","SNYK-JS-IMMER-1019369","SNYK-JS-IMMER-1540542","SNYK-JS-ISTANBULREPORTS-2328088","SNYK-JS-JSON5-3182856","SNYK-JS-LOADERUTILS-3042992","SNYK-JS-LOADERUTILS-3043105","SNYK-JS-LOADERUTILS-3105943","SNYK-JS-MINIMATCH-3050818","SNYK-JS-NTHCHECK-1586032","SNYK-JS-POSTCSS-1090595","SNYK-JS-POSTCSS-1255640","SNYK-JS-REACTDEVUTILS-1083268","SNYK-JS-SEMVER-3247795","SNYK-JS-SHELLQUOTE-1766506","SNYK-JS-SNYK-3037342","SNYK-JS-SNYK-3038622","SNYK-JS-SNYK-3111871","SNYK-JS-TERSER-2806366"],"upgrade":["SNYK-JS-ANSIREGEX-1583908","SNYK-JS-BROWSERSLIST-1090194","SNYK-JS-CSSWHAT-3035488","SNYK-JS-GLOBPARENT-1016905","SNYK-JS-IMMER-1019369","SNYK-JS-IMMER-1540542","SNYK-JS-ISTANBULREPORTS-2328088","SNYK-JS-JSON5-3182856","SNYK-JS-LOADERUTILS-3042992","SNYK-JS-LOADERUTILS-3043105","SNYK-JS-LOADERUTILS-3105943","SNYK-JS-MINIMATCH-3050818","SNYK-JS-NTHCHECK-1586032","SNYK-JS-POSTCSS-1090595","SNYK-JS-POSTCSS-1255640","SNYK-JS-REACTDEVUTILS-1083268","SNYK-JS-SEMVER-3247795","SNYK-JS-SHELLQUOTE-1766506","SNYK-JS-SNYK-3037342","SNYK-JS-SNYK-3038622","SNYK-JS-SNYK-3111871","SNYK-JS-TERSER-2806366"],"isBreakingChange":true,"env":"prod","prType":"fix","templateVariants":["priorityScore"],"priorityScoreList":[696,586,586,586,696,601,429,641,479,589,479,479,696,586,586,601,658,619,641,571,504,479],"remediationStrategy":"vuln"})
---
**Learn how to fix vulnerabilities with free interactive lessons:**
🦉 [Regular Expression Denial of Service (ReDoS)](https://learn.snyk.io/lessons/redos/javascript/?loc=fix-pr)
🦉 [Prototype Pollution](https://learn.snyk.io/lessons/prototype-pollution/javascript/?loc=fix-pr)
🦉 [Remote Code Execution (RCE)](https://learn.snyk.io/lessons/malicious-code-injection/javascript/?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 - package-lock.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") | **586/1000**
**Why?** Proof of Concept exploit, Has a fix available, CVSS 5.3 | Regular Expression Denial of Service (ReDoS)
[SNYK-JS-BROWSERSLIST-1090194](https://snyk.io/vuln/SNYK-JS-BROWSERSLIST-1090194) | Yes | Proof of Concept ![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **586/1000**
**Why?** Proof of Concept exploit, Has a fix available, CVSS 5.3 | Regular Expression Denial of Service (ReDoS)
[SNYK-JS-CSSWHAT-3035488](https://snyk.io/vuln/SNYK-JS-CSSWHAT-3035488) | Yes | Proof of Concept ![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **586/1000**
**Why?** Proof of Concept exploit, Has a fix available, CVSS 5.3 | Regular Expression Denial of Service (ReDoS)
[SNYK-JS-GLOBPARENT-1016905](https://snyk.io/vuln/SNYK-JS-GLOBPARENT-1016905) | Yes | Proof of Concept ![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 | Prototype Pollution
[SNYK-JS-IMMER-1019369](https://snyk.io/vuln/SNYK-JS-IMMER-1019369) | Yes | Proof of Concept ![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **601/1000**
**Why?** Proof of Concept exploit, Has a fix available, CVSS 5.6 | Prototype Pollution
[SNYK-JS-IMMER-1540542](https://snyk.io/vuln/SNYK-JS-IMMER-1540542) | Yes | Proof of Concept ![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **429/1000**
**Why?** Has a fix available, CVSS 4.3 | Reverse Tabnabbing
[SNYK-JS-ISTANBULREPORTS-2328088](https://snyk.io/vuln/SNYK-JS-ISTANBULREPORTS-2328088) | Yes | No Known Exploit ![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **641/1000**
**Why?** Proof of Concept exploit, Has a fix available, CVSS 6.4 | Prototype Pollution
[SNYK-JS-JSON5-3182856](https://snyk.io/vuln/SNYK-JS-JSON5-3182856) | Yes | Proof of Concept ![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **479/1000**
**Why?** Has a fix available, CVSS 5.3 | Regular Expression Denial of Service (ReDoS)
[SNYK-JS-LOADERUTILS-3042992](https://snyk.io/vuln/SNYK-JS-LOADERUTILS-3042992) | Yes | No Known Exploit ![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-LOADERUTILS-3043105](https://snyk.io/vuln/SNYK-JS-LOADERUTILS-3043105) | Yes | No Known Exploit ![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **479/1000**
**Why?** Has a fix available, CVSS 5.3 | Regular Expression Denial of Service (ReDoS)
[SNYK-JS-LOADERUTILS-3105943](https://snyk.io/vuln/SNYK-JS-LOADERUTILS-3105943) | Yes | No Known Exploit ![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **479/1000**
**Why?** Has a fix available, CVSS 5.3 | Regular Expression Denial of Service (ReDoS)
[SNYK-JS-MINIMATCH-3050818](https://snyk.io/vuln/SNYK-JS-MINIMATCH-3050818) | Yes | No Known Exploit ![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-NTHCHECK-1586032](https://snyk.io/vuln/SNYK-JS-NTHCHECK-1586032) | Yes | Proof of Concept ![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **586/1000**
**Why?** Proof of Concept exploit, Has a fix available, CVSS 5.3 | Regular Expression Denial of Service (ReDoS)
[SNYK-JS-POSTCSS-1090595](https://snyk.io/vuln/SNYK-JS-POSTCSS-1090595) | Yes | Proof of Concept ![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **586/1000**
**Why?** Proof of Concept exploit, Has a fix available, CVSS 5.3 | Regular Expression Denial of Service (ReDoS)
[SNYK-JS-POSTCSS-1255640](https://snyk.io/vuln/SNYK-JS-POSTCSS-1255640) | Yes | Proof of Concept ![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **601/1000**
**Why?** Proof of Concept exploit, Has a fix available, CVSS 5.6 | Command Injection
[SNYK-JS-REACTDEVUTILS-1083268](https://snyk.io/vuln/SNYK-JS-REACTDEVUTILS-1083268) | Yes | Proof of Concept ![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **658/1000**
**Why?** Proof of Concept exploit, Recently disclosed, Has a fix available, CVSS 5.3 | Regular Expression Denial of Service (ReDoS)
[SNYK-JS-SEMVER-3247795](https://snyk.io/vuln/SNYK-JS-SEMVER-3247795) | Yes | Proof of Concept ![high severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/h.png "high severity") | **619/1000**
**Why?** Has a fix available, CVSS 8.1 | Remote Code Execution (RCE)
[SNYK-JS-SHELLQUOTE-1766506](https://snyk.io/vuln/SNYK-JS-SHELLQUOTE-1766506) | Yes | No Known Exploit ![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **641/1000**
**Why?** Proof of Concept exploit, Has a fix available, CVSS 6.4 | Command Injection
[SNYK-JS-SNYK-3037342](https://snyk.io/vuln/SNYK-JS-SNYK-3037342) | No | Proof of Concept ![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **571/1000**
**Why?** Proof of Concept exploit, Has a fix available, CVSS 5 | Command Injection
[SNYK-JS-SNYK-3038622](https://snyk.io/vuln/SNYK-JS-SNYK-3038622) | No | Proof of Concept ![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **504/1000**
**Why?** Has a fix available, CVSS 5.8 | Code Injection
[SNYK-JS-SNYK-3111871](https://snyk.io/vuln/SNYK-JS-SNYK-3111871) | No | No Known Exploit ![medium severity](https://res.cloudinary.com/snyk/image/upload/w_20,h_20/v1561977819/icon/m.png "medium severity") | **479/1000**
**Why?** Has a fix available, CVSS 5.3 | Regular Expression Denial of Service (ReDoS)
[SNYK-JS-TERSER-2806366](https://snyk.io/vuln/SNYK-JS-TERSER-2806366) | 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.