{"vulnerability": "CVE-2026-40296", "sightings": [{"uuid": "e2768783-b758-4584-a624-12d6f969afd5", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-40296", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mla754dpfc2k", "content": "CVE-2026-40296 - PhpSpreadsheet vulnerable to XSS in HTML writer via custom number format codes\nCVE ID : CVE-2026-40296\n \n Published : May 6, 2026, 10:16 p.m. | 2\u00a0hours, 7\u00a0minutes ago\n \n Description : PhpSpreadsheet is a pure PHP library for reading and writing spreadsheet fil...", "creation_timestamp": "2026-05-07T02:45:33.729938Z"}]}