{"cve":"CVE-2022-25839","nvd":{"published":"2022-03-11T20:15:09.100","modified":"2026-06-17T04:34:22.190","status":"Modified","description":"The package url-js before 2.1.0 are vulnerable to Improper Input Validation due to improper parsing, which makes it is possible for the hostname to be spoofed. http://\\\\\\\\\\\\\\\\localhost and http://localhost are the same URL. However, the hostname is not parsed as localhost, and the backslash is reflected as it is.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","score":5.3},"cwes":["CWE-20"],"references":["https://github.com/duzun/URL.js/commit/9dc9fcc99baa4cbda24403d81a589e9b0f4121d0","https://snyk.io/vuln/SNYK-JS-URLJS-2414030","https://github.com/duzun/URL.js/commit/9dc9fcc99baa4cbda24403d81a589e9b0f4121d0","https://snyk.io/vuln/SNYK-JS-URLJS-2414030"],"products":["url-js_project:url-js"],"source":"nvd","synced_at":"2026-10-19T21:29:06.454770966+00:00"},"epss":{"cve":"CVE-2022-25839","score":0.00849,"percentile":0.58157,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-rf54-44jr-q5vf","url":"https://osv.dev/vulnerability/GHSA-rf54-44jr-q5vf","summary":"Improper Input Validation in url-js","modified":"2026-07-08T06:49:35.009352772Z","packages":[{"ecosystem":"npm","name":"url-js","purl":"pkg:npm/url-js","ranges":["<2.1.0"],"fixed":["2.1.0"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}