{"id":"CVE-2025-53691","aliases":["EUVD-2025-26499","GHSA-cpg3-c796-vg5v"],"status":"published","title":"Sitecore Experience Remote Code Execution through Insecure Deserialization","description":"Deserialization of Untrusted Data vulnerability in Sitecore Experience Manager (XM), Sitecore Experience Platform (XP) allows Remote Code Execution (RCE).This issue affects Experience Manager (XM): from 9.0 through 9.3, from 10.0 through 10.4; Experience Platform (XP): from 9.0 through 9.3, from 10.0 through 10.4.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.01636,"percentile":0.76491,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-502"],"published":"2025-09-03T12:36:59Z","modified":"2026-10-18T21:10:00Z","exploits":[{"source":"pocgithub","id":"blueisbeautiful/CVE-2025-53691","title":"blueisbeautiful/CVE-2025-53691","date":"2025-09-01","url":"https://github.com/blueisbeautiful/CVE-2025-53691"}],"products":[{"vendor":"sitecore","product":"experience manager (xm)"},{"vendor":"sitecore","product":"experience platform (xp)"},{"vendor":"sitecore","product":"experience_commerce"},{"vendor":"sitecore","product":"experience_manager"},{"vendor":"sitecore","product":"experience_platform"},{"vendor":"sitecore","product":"managed_cloud"}],"references":[{"url":"https://labs.watchtowr.com/cache-me-if-you-can-sitecore-experience-platform-cache-poisoning-to-rce/","tags":["Exploit","Third Party Advisory"]},{"url":"https://support.sitecore.com/kb?id=kb_article_view\u0026sysparm_article=KB1003667","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-53691"},{"url":"https://labs.watchtowr.com/cache-me-if-you-can-sitecore-experience-platform-cache-poisoning-to-rce"},{"url":"https://github.com/advisories/GHSA-cpg3-c796-vg5v"}],"sources":{"cve":[{"id":"CVE-2025-53691","title":"Sitecore Experience Remote Code Execution through Insecure Deserialization","description":"Deserialization of Untrusted Data vulnerability in Sitecore Experience Manager (XM), Sitecore Experience Platform (XP) allows Remote Code Execution (RCE).This issue affects Experience Manager (XM): from 9.0 through 9.3, from 10.0 through 10.4; Experience Platform (XP): from 9.0 through 9.3, from 10.0 through 10.4.","status":"published","published":"2025-09-03T12:36:59.561Z","modified":"2025-09-03T13:49:39.605Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:32:49.180768Z"}],"euvd":[{"id":"EUVD-2025-26499","description":"Deserialization of Untrusted Data vulnerability in Sitecore Experience Manager (XM), Sitecore Experience Platform (XP) allows Remote Code Execution (RCE).This issue affects Experience Manager (XM): from 9.0 through 9.3, from 10.0 through 10.4; Experience Platform (XP): from 9.0 through 9.3, from 10.0 through 10.4.","status":"published","published":"2025-09-03T12:36:59Z","modified":"2025-09-03T13:49:39Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:31:48.3448Z"}],"ghsa":[{"id":"GHSA-cpg3-c796-vg5v","title":"Deserialization of Untrusted Data vulnerability in Sitecore Experience Manager (XM), Sitecore...","description":"Deserialization of Untrusted Data vulnerability in Sitecore Experience Manager (XM), Sitecore Experience Platform (XP) allows Remote Code Execution (RCE).This issue affects Experience Manager (XM): from 9.0 through 9.3, from 10.0 through 10.4; Experience Platform (XP): from 9.0 through 9.3, from 10.0 through 10.4.","status":"published","published":"2025-09-03T15:30:33Z","modified":"2025-09-03T15:30:37Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:03:28.374084Z"}],"nvd":[{"id":"CVE-2025-53691","description":"Deserialization of Untrusted Data vulnerability in Sitecore Experience Manager (XM), Sitecore Experience Platform (XP) allows Remote Code Execution (RCE).This issue affects Experience Manager (XM): from 9.0 through 9.3, from 10.0 through 10.4; Experience Platform (XP): from 9.0 through 9.3, from 10.0 through 10.4.","status":"published","published":"2025-09-03T13:15:49.297Z","modified":"2026-10-18T21:10:00.12Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:11:26.200344Z"}]}}