What is CVE-2015-1866?

CVE-2015-1866 is a medium-severity vulnerability in Emberjs Ember.js, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-09-20.

How severe is CVE-2015-1866?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2015-1866 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Emberjs Ember.js

CVE-2015-1866

Cross-site scripting (XSS) vulnerability in Ember.js 1.10.x before 1.10.1 and 1.11.x before 1.11.2.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-09-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.011 (64.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

Emberjs Ember.js — versions 1.10.0, 1.11.0, 1.11.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

emberjs.com/blog/2015/04/14/security-and-bugfix-releases-ember-1-10-1-1-11-2-1-… (Vendor Advisory)
www.openwall.com/lists/oss-security/2015/04/14/11 (mailing-list, Exploit, Patch, Mailing List, Third Party Advisory, Mitigation)
www.securityfocus.com/bid/74185 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2015-1866?: CVE-2015-1866 is a medium-severity vulnerability in Emberjs Ember.js, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-09-20.
How severe is CVE-2015-1866?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2015-1866 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.