CVE-2025-53691 json
Sitecore Experience Remote Code Execution through Insecure Deserialization
published 2025-09-03 14 mo ago modified 2026-10-18 21 d ago also EUVD-2025-26499
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 76%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- sitecore experience_platform 10.4
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- total
- Assessed
- 14 mo ago
Exploit prediction
1.64% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- labs.watchtowr.com https://labs.watchtowr.com/cache-me-if-you-can-sitecore-experience-platform-cache-poisoning-to-rce/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Sitecore Experience Manager (XM)
- Sitecore Experience Platform (XP)
Classification
- Weakness
-
- CWE-502 Deserialization of Untrusted Data
References
-
labs.watchtowr.com
/cache-me-if-you-can-sitecore-experience-platform-cache-poisoning-to-rce/
exploit, third-party-advisory
-
support.sitecore.com
/kb?id=kb_article_view&sysparm_article=KB1003667
vendor-advisory
Sources
- CVE List CVE-2025-53691
- NVD CVE-2025-53691
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