The handlebars package before 4.0.0 for Node.js allows remote attackers to conduct cross-site scripting (XSS) attacks by leveraging a template with an attribute that is not quoted.
http://www.openwall.com/lists/oss-security/2016/04/20/11
http://www.securityfocus.com/bid/96434
https://www.sourceclear.com/blog/handlebars_vulnerability_research_findings/
Source: MITRE
Published: 2017-01-23
Updated: 2020-04-22
Type: CWE-79
Base Score: 4.3
Vector: AV:N/AC:M/Au:N/C:N/I:P/A:N
Impact Score: 2.9
Exploitability Score: 8.6
Severity: MEDIUM
Base Score: 6.1
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Impact Score: 2.7
Exploitability Score: 2.8
Severity: MEDIUM