Cross-Site Scripting (XSS) in restify

published 2018-06-04 8 y ago modified 2026-06-17 4 mo ago also GHSA-qw3g-35hc-fcrh , EUVD-2018-0773

cvss: 6.1; version 3.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.0%; EPSS 1.0% chance of exploitation in 30 days, percentile 61%
public exploits: 0; none known

Restify is a framework for building REST APIs. Restify >=2.0.0 <=4.0.4 using URL encoded script tags in a non-existent URL, an attacker can get script to run in some browsers.

Patch / fix

fixed in 1

npm restify 4.1.0

Exploit prediction

0.95% chance of exploitation in the next 30 days, higher than 61% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

nodesecurity.io https://nodesecurity.io/advisories/314 referenced PoC, tagged "exploit" by a source, unverified
github.com https://github.com/restify/node-restify/issues/1018 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.0	6.1	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub	3.0	6.1	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem	package	affected	fixed in
npm	restify	>=2.0.0, <4.1.0	4.1.0

Affected products

HackerOne restify node module

Classification

Weakness

CWE-79 Improper Neutralization of Input During Web Page Generation

References

nodesecurity.io /advisories/314
exploit, third-party-advisory
github.com /restify/node-restify/issues/1018
web, exploit, issue-tracking, third-party-advisory
nvd.nist.gov /vuln/detail/CVE-2017-16018
advisory
github.com /advisories/GHSA-qw3g-35hc-fcrh
advisory
npmjs.com /advisories/314
web

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary