{"vulnerability": "cve-2026-21580", "sightings": [{"uuid": "9c0ad888-89a1-4d19-a034-ff860e533e56", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-21580", "type": "seen", "source": "https://bsky.app/profile/stemshop.bsky.social/post/3mtfhe233md2m", "content": "\ud83d\udea8 CVE-2026-21580 \u2014 CVSS 9.3 CRITICAL\n\nThis Critical severity Stored XSS, PrivEsc (Privilege Escalation), and Security Misconfiguration vulnerabil...\n\n\ud83d\udd0e https://stemshop.top/cve/CVE-2026-21580\n\n#CVE #CyberSecurity #InfoSec", "creation_timestamp": "2026-08-19T00:17:27.380282Z"}, {"uuid": "515d4741-2d07-4d05-99cc-2ec9617a5b20", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-21580", "type": "seen", "source": "https://bsky.app/profile/stackflag.bsky.social/post/3mtgjlhz77l23", "content": "CVE-2026-21580 - confluence data center\nAn attacker can run malicious code on your browser, access higher-privileged user accounts, and gain system access if security best practices are not followed. To fix this,\u2026\n\nToo many irrelevant or confusing CVEs? Use stackflag.com\n\n#atlassian #CVE #infosec", "creation_timestamp": "2026-08-19T10:30:04.468001Z"}, {"uuid": "61b816e0-eccd-490f-9adc-4089aed388b8", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-21580", "type": "seen", "source": "https://bsky.app/profile/opsmatters.com/post/3mue3af4two2i", "content": "The latest update for #CyCognito includes \"ASM Has a Silent C, and It Stands for Change Management\" and \"Emerging Threat: (CVE-2026-21580) Confluence Privilege Escalation via Unauthenticated Stored XSS\".\n \n#cybersecurity #AttackSurfaceManagement #EASM https://opsmtrs.com/44Srq0X", "creation_timestamp": "2026-08-31T04:33:11.689094Z"}]}