{
"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"
}
}