CVE-2025-53691

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.

CVSS v3.1

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS

1.54% chance of exploitation in the next 30 days, 73th percentile

Published

2025-09-03

Proof-of-concept exploits (5)

• https://labs.watchtowr.com/cache-me-if-you-can-sitecore-experience-platform-cache-poisoni…
• blueisbeautiful/CVE-2025-536910★ · 2025-09-01
• blueisbeautiful/CVE-2025-53694-to-CVE-2025-536910★ · 2025-09-01
• brokendreamsclub/CVE-2025-536910★ · 2025-09-01
• brokendreamsclub/CVE-2025-53694-to-CVE-2025-536910★ · 2025-09-01

References

• CVE Record
• NVD entry

Related

• CVE-2018-19323
• CVE-2025-3515
• CVE-2025-53693
• CVE-2025-53694
• CVE-2025-54309
• CVE-2025-57819