How severe is CVE-2015-8861?

CVE-2015-8861 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2015-8861 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-8861?

CVE-2015-8861 affects Handlebars.js Project Handlebars.js. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-8861?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2015-8861 published?

CVE-2015-8861 was published on 2017-01-23 and last updated on 2026-06-17.

CVE-2015-8861

CVE-2015-8861 is a medium-severity vulnerability in Handlebars.js Project Handlebars.js with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 3% (86th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Handlebars.js Project Handlebars.js
Published: 2017-01-23
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2015-8861?: 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.
How severe is CVE-2015-8861?: CVE-2015-8861 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2015-8861 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (86th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-8861?: CVE-2015-8861 affects Handlebars.js Project Handlebars.js. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-8861?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-8861 published?: CVE-2015-8861 was published on 2017-01-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:handlebars.js_project:handlebars.js:*:*:*:*:*:node.js:*:*

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