{"id":"CVE-2019-9874","aliases":["EUVD-2019-19230","GHSA-wfwm-vf76-3692"],"status":"published","title":"Deserialization of Untrusted Data in the Sitecore.Security.AntiCSRF (aka anti CSRF) module in...","description":"Deserialization of Untrusted Data in the Sitecore.Security.AntiCSRF (aka anti CSRF) module in Sitecore CMS 7.0 to 7.2 and Sitecore XP 7.5 to 8.2 allows an unauthenticated attacker to execute arbitrary code by sending a serialized .NET object in the HTTP POST parameter __CSRFTOKEN.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.83736,"percentile":0.9969,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2019-05-31T20:11:49Z","modified":"2026-06-17T02:44:46Z","kev":{"date_added":"2025-03-26","due_date":"2025-04-16","required_action":"Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2025-03-26"},{"source":"kev","since":"2025-03-26"}],"exploits":[{"source":"nuclei","id":"CVE-2019-9874","title":"Sitecore Experience Platform - 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