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.
| Package (Ecosystem) | Introduced | Fixed | Limit |
|---|---|---|---|
| express(npm) | 0 | 3.11.0 | N/A |
| express(npm) | 4.0.0 | 4.5.0 | N/A |
CVSS Metrics
