{ "schema_version": "1.4.0", "id": "GHSA-wmph-fgw4-55rj", "modified": "2025-04-16T18:31:34Z", "published": "2022-12-22T21:30:31Z", "aliases": [ "CVE-2021-4221" ], "details": "If a domain name contained a RTL character, it would cause the domain to be rendered to the right of the path. This could lead to user confusion and spoofing attacks.
*This bug only affects Firefox for Android. Other operating systems are unaffected.*
*Note*: Due to a clerical error this advisory was not included in the original announcement, and was added in Feburary 2022. This vulnerability affects Firefox < 92.", "severity": [ { "type": "CVSS_V3", "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N" } ], "affected": [], "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-4221" }, { "type": "WEB", "url": "https://bugzilla.mozilla.org/show_bug.cgi?id=1704422" }, { "type": "WEB", "url": "https://www.mozilla.org/security/advisories/mfsa2021-38" } ], "database_specific": { "cwe_ids": [ "CWE-1007" ], "severity": "MODERATE", "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2022-12-22T20:15:00Z" } }