CVSS 3.0
6.1 mediumCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NCVE-2014-6393
Medium (6.1) in openjsf express. EPSS 1.1% chance of exploitation in the next 30 days. Fixed in express 3.11.0, 4.5.0.
The Express web framework before 3.11 and 4.x before 4.5 for Node.js does not provide a charset field in HTTP Content-Type headers in 400 level responses, which might allow remote attackers to conduct cross-site scripting (XSS) attacks via characters in a non-standard encoding.
Severity
- EPSS
- 1.1% chance of exploitation in the next 30 days; higher than 66% of CVEs (scores of 2026-10-31)
- CWE
- CWE-79
- Published
- Modified
- Record from
- the NVD, synced
Affected
- openjsf:express
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-gpvr-g6gh-9mc2 | npm | express | <3.11.0 | 3.11.0 |
| GHSA-gpvr-g6gh-9mc2 | npm | express | >=4.0.0 <4.5.0 | 4.5.0 |