What’s Vulnerable › Vulnerabilities

CVE-2015-8861

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2017-01-23 · updated 2026-06-17
• Weakness: CWE-79

Description

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.

Affected products

• Handlebars.Js Project Handlebars.Js: before 4.0.0 — fixed in 4.0.0

How to fix

Upgrade to a fixed version: Handlebars.Js Project Handlebars.Js 4.0.0. Check the vendor advisory for mitigations.

References

• 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/
• https://www.tenable.com/security/tns-2016-18
• 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/
• https://www.tenable.com/security/tns-2016-18

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