CVE-2024-43796: express vulnerable to XSS via response.redirect()

September 10, 2024 (updated November 18, 2024)

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

References

github.com/advisories/GHSA-qw6h-vgh9-j6wx
github.com/expressjs/express
github.com/expressjs/express/commit/54271f69b511fea198471e6ff3400ab805d6b553
github.com/expressjs/express/security/advisories/GHSA-qw6h-vgh9-j6wx
nvd.nist.gov/vuln/detail/CVE-2024-43796

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