[Snyk] Upgrade express from 4.21.0 to 4.21.2

[codingdud]

Snyk has created this PR to upgrade express from 4.21.0 to 4.21.2.

ℹ️ Keep your dependencies up-to-date. This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project.

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• The recommended version is 2 versions ahead of your current version.

• The recommended version was released a year ago.

Issues fixed by the recommended upgrade:

	Issue	Score	Exploit Maturity
	Cross-site Scripting (XSS) SNYK-JS-COOKIE-8163060	529	No Known Exploit
	Regular Expression Denial of Service (ReDoS) SNYK-JS-PATHTOREGEXP-8482416	529	Proof of Concept

Release notes

Package name: express

• 4.21.2 - 2024-12-05
  

  What's Changed

  • Add funding field (v4) by @ bjohansebas in #6065
  • deps: path-to-regexp@0.1.11 by @ blakeembrey in #5956
  • deps: bump path-to-regexp@0.1.12 by @ jonchurch in #6209
  • Release: 4.21.2 by @ UlisesGascon in #6094

  Full Changelog: 4.21.1...4.21.2

• 4.21.1 - 2024-10-08
  

  What's Changed

  • Backport a fix for CVE-2024-47764 to the 4.x branch by @ joshbuker in #6029
  • Release: 4.21.1 by @ UlisesGascon in #6031

  Full Changelog: 4.21.0...4.21.1

• 4.21.0 - 2024-09-11
  

  What's Changed

  • Deprecate "back" magic string in redirects by @ blakeembrey in #5935
  • finalhandler@1.3.1 by @ wesleytodd in #5954
  • fix(deps): serve-static@1.16.2 by @ wesleytodd in #5951
  • Upgraded dependency qs to 6.13.0 to match qs in body-parser by @ agadzinski93 in #5946

  New Contributors

  • @ agadzinski93 made their first contribution in #5946

  Full Changelog: 4.20.0...4.21.0

from express GitHub release notes

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Important

• Check the changes in this PR to ensure they won't cause issues with your project.
• This PR was automatically created by Snyk using the credentials of a real user.
• Max score is 1000. Note that the real score may have changed since the PR was raised.

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Project	Deployment	Review	Updated (UTC)
simpform	Error		Dec 15, 2025 8:17am

[gemini-code-assist]

Summary of Changes

Hello @codingdud, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request, automatically generated by Snyk, updates the express dependency to version 4.21.2. This upgrade is crucial for mitigating known security vulnerabilities, specifically a Cross-site Scripting (XSS) issue in the cookie dependency and a Regular Expression Denial of Service (ReDoS) vulnerability in path-to-regexp. The update ensures the project benefits from the latest security patches and dependency improvements, enhancing the overall stability and security posture of the application.

Highlights

• Dependency Upgrade: The express package has been upgraded from version 4.21.0 to 4.21.2 to incorporate the latest fixes and improvements.
• Security Vulnerability Fixes: This upgrade addresses two medium-severity vulnerabilities: a Cross-site Scripting (XSS) issue in the cookie dependency (SNYK-JS-COOKIE-8163060) and a Regular Expression Denial of Service (ReDoS) vulnerability in path-to-regexp (SNYK-JS-PATHTOREGEXP-8482416).
• Sub-dependency Updates: The cookie dependency has been updated from 0.6.0 to 0.7.1, and path-to-regexp has been updated from 0.1.10 to 0.1.12 as part of the express upgrade.
• Metadata Addition: A funding field has been added to the express package metadata in package-lock.json.

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[gemini-code-assist]

Code Review

This pull request upgrades the express dependency from 4.21.0 to 4.21.2. This is an automated update from Snyk to address two medium-severity security vulnerabilities: a Cross-Site Scripting (XSS) flaw and a Regular Expression Denial of Service (ReDoS) issue. The changes correctly update the version in package.json and package-lock.json. As this is a patch release, it is backward-compatible and should not introduce breaking changes. Merging this PR is recommended to enhance the application's security.