Disclosure summary
Node.js: All versions prior to Node.js 6.15.0, 8.14.0, 10.14.0 and 11.3.0: Hostname spoofing in URL parser for javascript protocol: If a Node.js application is using url.parse() to determine the URL hostname, that hostname can be spoofed by using a mixed case "javascript:" (e.g. "javAscript:") protocol (other protocols are not affected). If security decisions are made about the URL based on the hostname, they may be incorrect.
Source-reported weakness categories
CWE-115, CWE-20
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2018-12123
Open original source · Updated Oct 08, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| nodejs | node.js | * {"versionStartIncluding":"10.0.0","versionEndExcluding":"10.14.0"} |
| nodejs | node.js | * {"versionStartIncluding":"11.0.0","versionEndExcluding":"11.3.0"} |
Original records & references
- NIST NVD record
- CVE Program record
- access.redhat.com — Third Party Advisory
- nodejs.org — Patch, Vendor Advisory
- security.gentoo.org — Third Party Advisory
- access.redhat.com — Third Party Advisory
- nodejs.org — Patch, Vendor Advisory
- security.gentoo.org — Third Party Advisory
- security.netapp.com
PUBLISHED 2018-11-28T12:29:00-05:00
MODIFIED 2026-10-08T18:16:45-04:00
INGESTED 2026-10-10T20:50:18-04:00