{"id":"CVE-2026-81267","aliases":["EUVD-2026-68739","GHSA-pp56-4328-qwfp"],"status":"published","title":"Stalled popup navigation could allow address bar origin spoofing in Firefox for iOS","description":"A malicious webpage could stall a popup's cross-origin navigation after commit, causing the address bar to display the destination origin while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 155.0.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00257,"percentile":0.17558,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-451"],"published":"2026-08-31T19:37:55Z","modified":"2026-10-28T02:31:10Z","products":[{"vendor":"mozilla","product":"firefox for ios"},{"vendor":"mozilla","product":"firefox_mobile"}],"references":[{"url":"https://bugzilla.mozilla.org/show_bug.cgi?id=2052758","tags":["Permissions Required","report"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-81/","tags":["Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-81267","tags":["advisory"]},{"url":"https://www.mozilla.org/security/advisories/mfsa2026-81"},{"url":"https://github.com/advisories/GHSA-pp56-4328-qwfp"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/81xxx/CVE-2026-81267.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-81267","title":"Stalled popup navigation could allow address bar origin spoofing in Firefox for iOS","description":"A malicious webpage could stall a popup's cross-origin navigation after commit, causing the address bar to display the destination origin while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 155.0.","status":"published","published":"2026-08-31T19:37:55.587Z","modified":"2026-08-31T20:09:56.066Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L","level":"medium","assessor":"adp"}],"cwes":["CWE-451"],"updated_at":"2026-11-02T13:36:18.075535Z"}],"euvd":[{"id":"EUVD-2026-68739","description":"A malicious webpage could stall a popup's cross-origin navigation after commit, causing the address bar to display the destination origin while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 155.0.","status":"published","published":"2026-08-31T19:37:55Z","modified":"2026-08-31T20:09:56Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T18:01:19.818565Z"}],"ghsa":[{"id":"GHSA-pp56-4328-qwfp","title":"A malicious webpage could stall a popup's cross-origin navigation after commit, causing the...","description":"A malicious webpage could stall a popup's cross-origin navigation after commit, causing the address bar to display the destination origin while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 155.0.","status":"published","published":"2026-08-31T21:32:11Z","modified":"2026-08-31T21:32:21Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L","level":"medium"}],"cwes":["CWE-451"],"updated_at":"2026-11-02T15:11:11.962153Z"}],"nvd":[{"id":"CVE-2026-81267","description":"A malicious webpage could stall a popup's cross-origin navigation after commit, causing the address bar to display the destination origin while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 155.0.","status":"published","published":"2026-08-31T20:17:11.983Z","modified":"2026-09-03T17:14:03.08Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-451"],"updated_at":"2026-11-02T14:12:42.691315Z"}],"osv":[{"id":"CVE-2026-81267","title":"Stalled popup navigation could allow address bar origin spoofing in Firefox for iOS","description":"A malicious webpage could stall a popup's cross-origin navigation after commit, causing the address bar to display the destination origin while continuing to render attacker-controlled content. This vulnerability was fixed in Firefox for iOS 155.0.","status":"published","published":"2026-08-31T19:37:55.587Z","modified":"2026-10-28T02:31:10.443246434Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:45:18.131258Z"}]}}