{"vulnerability": "cve-2026-8809", "sightings": [{"uuid": "69278aaf-a73a-4f30-b9e6-4d7116bd3fe4", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8809", "type": "seen", "source": "https://bsky.app/profile/securitycyberuk.bsky.social/post/3mnzx6ntht42i", "content": "\ud83d\udea8 CRITICAL ALERT: CVE-2026-8809\n\nCVSS 9.8/10\n\n\ud83d\udccb WHAT IT IS:\nThe Advanced Custom Fields: Extended plugin for WordPress is vulnerable to Privilege Escalation via Validation Bypass in all versions up to and including 0.9.2.5. The vulnerability exists due to the after_validate_save_post() function uncon", "creation_timestamp": "2026-06-11T19:22:57.611401Z"}, {"uuid": "e85f1b83-8afc-4075-985e-2bab230b7b73", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8809", "type": "seen", "source": "https://bsky.app/profile/thehackerwire.bsky.social/post/3mmxa6bksa72d", "content": "\ud83d\udd34 CVE-2026-8809 - Critical (9.8)\n\nThe Advanced Custom Fields: Extended plugin for WordPress is vulnerable to Privilege Escalation v...\n\nhttps://www.thehackerwire.com/vulnerability/CVE-2026-8809/\n\n#infosec #cybersecurity #CVE #vulnerability #security #patchstack", "creation_timestamp": "2026-05-29T00:00:32.973399Z"}, {"uuid": "9ff18942-28db-46b5-b142-6a9b354340ce", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8809", "type": "seen", "source": "https://bsky.app/profile/cve.skyfleet.blue/post/3mmxlknxy6v2k", "content": "CVE-2026-8809 - Advanced Custom Fields: Extended\nCVE ID : CVE-2026-8809\n \n Published : May 28, 2026, 11:16 p.m. | 3\u00a0hours, 54\u00a0minutes ago\n \n Description : The Advanced Custom Fields: Extended plugin for WordPress is vulnerable to Privilege Escalation via Validation Bypass in a...", "creation_timestamp": "2026-05-29T03:24:18.446027Z"}, {"uuid": "256013c6-caba-4d2c-ab75-46dae1f5bb1c", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8809", "type": "seen", "source": "https://bsky.app/profile/securitycyberuk.bsky.social/post/3mnzxh6jkjz2v", "content": "\ud83d\udea8 CRITICAL ALERT: CVE-2026-8809\n\nCVSS 9.8/10\n\n\ud83d\udccb WHAT IT IS:\nThe Advanced Custom Fields: Extended plugin for WordPress is vulnerable to Privilege Escalation via Validation Bypass in all versions up to and including 0.9.2.5. The vulnerability exists due to the after_validate_save_post() function uncon", "creation_timestamp": "2026-06-11T19:27:37.214119Z"}, {"uuid": "c952170e-a959-4498-b7d8-95183b29cd26", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8809", "type": "published-proof-of-concept", "source": "Telegram/YXCyRYfB5puG4zVuSsqFt0CqpucG34vnwOdsG1DKfw8sOUE", "content": "", "creation_timestamp": "2026-06-12T11:00:12.000000Z"}, {"uuid": "278bdb6d-b82a-49dd-93dd-c55ac9bf267f", "vulnerability_lookup_origin": "1a89b78e-f703-45f3-bb86-59eb712668bd", "author": "9f56dd64-161d-43a6-b9c3-555944290a09", "vulnerability": "CVE-2026-8809", "type": "published-proof-of-concept", "source": "Telegram/ycLXaxSGB-_ldONYQWC7S6J3lanIcH0nsjxJAaBzeM5ug0Y", "content": "", "creation_timestamp": "2026-06-12T15:00:07.000000Z"}]}