Update dependency express to v4.21.0 [SECURITY] - autoclosed

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
express (source)	4.20.0 -> 4.21.0

GitHub Vulnerability Alerts

CVE-2024-43796

Impact

In express <4.20.0, passing untrusted user input - even after sanitizing it - to response.redirect() may execute untrusted code

Patches

this issue is patched in express 4.20.0

Workarounds

users are encouraged to upgrade to the patched version of express, but otherwise can workaround this issue by making sure any untrusted inputs are safe, ideally by validating them against an explicit allowlist

Details

successful exploitation of this vector requires the following:

1. The attacker MUST control the input to response.redirect()
2. express MUST NOT redirect before the template appears
3. the browser MUST NOT complete redirection before:
4. the user MUST click on the link in the template

---

Release Notes

expressjs/express (express)

v4.21.0

Compare Source

What's Changed

• Deprecate "back" magic string in redirects by @​blakeembrey in https://github.com/expressjs/express/pull/5935
• finalhandler@1.3.1 by @​wesleytodd in https://github.com/expressjs/express/pull/5954
• fix(deps): serve-static@1.16.2 by @​wesleytodd in https://github.com/expressjs/express/pull/5951
• Upgraded dependency qs to 6.13.0 to match qs in body-parser by @​agadzinski93 in https://github.com/expressjs/express/pull/5946

New Contributors

• @​agadzinski93 made their first contribution in https://github.com/expressjs/express/pull/5946

Full Changelog: expressjs/express@4.20.0...4.21.0

---

Configuration

📅 Schedule: Branch creation - "" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.