{"vulnerability": "cve-2026-16403", "sightings": [{"uuid": "5fc69e58-27cc-4f9b-a0f9-9b0d6698a9ad", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-16403", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mr5xewdesq2q", "content": "CVE-2026-16403 - Spoofing issue in the Address Bar component\nCVE ID : CVE-2026-16403\n \n Published : July 21, 2026, 1:17 p.m. | 27\u00a0minutes ago\n \n Description : Spoofing issue in the Address Bar component. This vulnerability was fixed in Firefox 153.\n \n Severity: 0.0 | NA\n \n Vis...", "creation_timestamp": "2026-07-21T13:52:35.556954Z"}, {"uuid": "96898c27-fc22-4169-b420-759eeb555bc0", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "86ecb4e1-bb32-44d5-9f39-8a4673af8385", "vulnerability": "CVE-2026-16403", "type": "seen", "source": "https://www.hkcert.org/security-bulletin/mozilla-products-multiple-vulnerabilities_20260722", "content": "", "creation_timestamp": "2026-07-22T04:47:40.960944Z"}, {"uuid": "27d23847-c718-4def-9179-032962455d7d", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-16403", "type": "seen", "source": "https://bsky.app/profile/white--sheep.bsky.social/post/3mr7tgfr3wc2h", "content": "2 major address bar spoofing flaws in Firefox 152 and prior (CVE-2026-16403 and CVE-2026-16404) were fixed to prevent attackers from using fake URLs and to facilitate highly convincing phishing attacks on desktop &amp; Android, get to Firefox 153 NOW if your still on the old version.", "creation_timestamp": "2026-07-22T07:47:10.427187Z"}, {"uuid": "f23748aa-ac7c-4f34-915e-7ae6c73e3b07", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-16403", "type": "seen", "source": "https://bsky.app/profile/white--sheep.bsky.social/post/3mr7tqtt3ys2f", "content": "2 major address bar spoofing flaws announced yesterday in Firefox 152 and prior (CVE-2026-16403 and CVE-2026-16404) were fixed to prevent attackers from using fake URLs and to facilitate highly convincing phishing attacks on desktop &amp; Android, update to Firefox 153 if your still on the old version.", "creation_timestamp": "2026-07-22T07:53:01.261558Z"}]}