What is CVE-2017-1000188?

CVE-2017-1000188 is a medium-severity vulnerability in Ejs, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-11-17.

How severe is CVE-2017-1000188?

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

Is CVE-2017-1000188 known to be exploited?

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

XSS in Ejs

CVE-2017-1000188

nodejs ejs version older than 2.5.5 is vulnerable to a Cross-site-scripting in the ejs.renderFile() resulting in code injection

Vulnerability class: XSS (Cross-Site Scripting)

Published 2017-11-17 · 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: 0.012 (67.8th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

github.com/mde/ejs/commit/49264e0037e313a0a3e033450b5c184112516d8f (Patch, Third Party Advisory)
www.securityfocus.com/bid/101889 (VDB Entry, Third Party Advisory, vdb-entry)

Frequently asked questions

What is CVE-2017-1000188?: CVE-2017-1000188 is a medium-severity vulnerability in Ejs, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-11-17.
How severe is CVE-2017-1000188?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2017-1000188 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.