CVE-2017-16018
Cross-Site Scripting (XSS) in restify
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2017-16018- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2017-16018- Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2018-0773 No score
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.
- Record
EUVD-2018-0773- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qw3g-35hc-fcrh
Cross-Site Scripting (XSS) in restify
Affected versions of restify are susceptible to a cross-site scripting vulnerability when using URL encoded script tags in a non-existent URL.
Proof of Concept:
Request
https://localhost:3000/no5_such3_file7.pl?%22%3E%3Cscript%3Ealert(73541);%3C/script%3E
Will be included in response:
<script>alert(73541);</script>
Recommendation
Update to version 4.1.0 or later.
- Record
GHSA-qw3g-35hc-fcrh- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2017-16018- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-qw3g-35hc-fcrh
Cross-Site Scripting (XSS) in restify
Affected versions of restify are susceptible to a cross-site scripting vulnerability when using URL encoded script tags in a non-existent URL.
Proof of Concept:
Request
https://localhost:3000/no5_such3_file7.pl?%22%3E%3Cscript%3Ealert(73541);%3C/script%3E
Will be included in response:
<script>alert(73541);</script>
Recommendation
Update to version 4.1.0 or later.
- Record
GHSA-qw3g-35hc-fcrh- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-16018 is a medium vulnerability (CVSS 6.1) in Restify, published June 4, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.95%, the 61st percentile. Fixed in restify 4.1.0.