XSS in Expressjs Serve-Static

CVE-2024-43800

serve-static serves static files. serve-static passes untrusted user input - even after sanitizing it - to redirect() may execute untrusted code. This issue is patched in serve-static 1.16.0.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.006 (48.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 48th percentile — 48.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-43800: held from 0.006 to 0.006.

EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-43800?
CVE-2024-43800 is a medium-severity vulnerability in Expressjs Serve-Static, classified under Cross-site Scripting. CVSS score: 5.0/10. Published 2024-09-10.
How severe is CVE-2024-43800?
Medium severity. CVSS v3 base score is 5.0 out of 10.
Is CVE-2024-43800 known to be exploited?
3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.