CVE-2014-6393

Medium

Description

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.

SeverityMedium
CVSS6.1
Exploit probability—
ProductOpenjsf Express
PublishedAug 9, 2017
First seenAug 9, 2017

How to fix

Update
  • express3.11.0, 4.5.0 or later

Affected products

ProductAffected versionsFixed in
openjsf expressv ≤ 3.10.5, 4.0.0, 4.1.0, 4.1.1, 4.1.2, 4.2.0, 4.3.0, 4.3.1, 4.3.2, 4.4.0, 4.4.1, 4.4.2, 4.4.3, 4.4.4, 4.4.5—
expressnpmv < 3.11.0, 4.0.0 ≤ v < 4.5.03.11.0, 4.5.0

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