CVE-2024-43796

4.7 mediumEPSS 0.5%

Medium (4.7) in openjsf express. EPSS 0.5% chance of exploitation in the next 30 days. Fixed in express 4.20.0, 5.0.0.

Express.js minimalist web framework for node. In express < 4.20.0, passing untrusted user input - even after sanitizing it - to response.redirect() may execute untrusted code. This issue is patched in express 4.20.0.

Severity

CVSS 3.1

4.7 medium

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 41% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2024-09-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

openjsf:express

Packages (OSV)

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-qw6h-vgh9-j6wx	npm	express	<4.20.0	4.20.0
GHSA-qw6h-vgh9-j6wx	npm	express	>=5.0.0-alpha.1 <5.0.0	5.0.0

References

https://github.com/expressjs/express/commit/54271f69b511fea198471e6ff3400ab805d6b553
https://github.com/expressjs/express/security/advisories/GHSA-qw6h-vgh9-j6wx

Check your stack JSON