What is CVE-2018-3735?

CVE-2018-3735 is a medium-severity vulnerability in Bracket-Template Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-06-07.

How severe is CVE-2018-3735?

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

XSS in Bracket-Template Project

CVE-2018-3735

bracket-template suffers from reflected XSS possible when variable passed via GET parameter is used in template

Vulnerability class: XSS (Cross-Site Scripting)

Published 2018-06-07 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (56.0th percentile), scored 2026-10-04.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 56th percentile — 56.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Bracket-Template Project
HackerOne Bracket-Template Node Module — versions Versions up to and including 1.1.5

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

hackerone.com/reports/317125 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2018-3735?: CVE-2018-3735 is a medium-severity vulnerability in Bracket-Template Project, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2018-06-07.
How severe is CVE-2018-3735?: Medium severity. CVSS v3 base score is 6.1 out of 10.