{"vulnerability": "CVE-2021-21168", "sightings": [{"uuid": "64f20869-02a2-4cb9-8c4e-05eb09988e1b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "2a075640-a300-48a4-bb44-bc6130783b9b", "vulnerability": "CVE-2021-21168", "type": "seen", "source": "https://t.me/CyberSecurityTechnologies/3541", "content": "#Threat_Research\n1. AppCache Vulnerabilities\n(CVE-2020-6399, CVE-2021-21168)\nhttps://blog.lbherrera.me/posts/appcache-forgotten-tales\n2. WordPress Redirect Hack\nhttps://blog.sucuri.net/2021/06/wordpress-redirect-hack-via-test0-com-default7-com.html", "creation_timestamp": "2021-06-05T13:00:01.000000Z"}, {"uuid": "424711ae-7f35-4d82-ba36-022e55ee09c7", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-21168", "type": "published-proof-of-concept", "source": "https://t.me/cissp/3338", "content": "", "creation_timestamp": "2026-09-11T04:00:04.647537Z"}, {"uuid": "840bb785-d076-4038-9135-73122e079d7b", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "4f29edb9-4c4b-44ca-b041-9b050656b6ae", "vulnerability": "CVE-2021-21168", "type": "seen", "source": "https://t.me/cissp/3338", "content": "", "creation_timestamp": "2026-09-01T17:00:49.037015Z"}]}