CVE-2014-6393
No Charset in Content-Type Header in express
6.1
MEDIUM
CVSS 3.1
EPSS 1.1%
Description
Vulnerable versions of express do not specify a charset field in the content-type header while displaying 400 level response messages. The lack of enforcing user's browser to set correct charset, could be leveraged by an attacker to perform a cross-site scripting attack, using non-standard encodings, like UTF-7. ## Recommendation For express 3.x, update express to version 3.11 or later. For express 4.x, update express to version 4.5 or later.
How to fix CVE-2014-6393
To remediate CVE-2014-6393, upgrade the affected package to a fixed version below.
- —upgrade to 4.16.4-1 or later
- —upgrade to 3.11.0 or later
Is CVE-2014-6393 being exploited?
Low — EPSS is 1.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.16.4-1
- from 0, < 3.11.0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |