A cross-site scripting (XSS) vulnerability exists in fields/types/markdown/MarkdownType.js in KeystoneJS before 4.0.0-beta.7 via the Contact Us feature.
https://github.com/keystonejs/keystone/pull/4478
http://www.securityfocus.com/bid/101541
http://blog.securelayer7.net/keystonejs-open-source-penetration-testing-report/
Source: Mitre, NVD
Published: 2017-10-24
Updated: 2026-06-17
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS: 0.04814