CVE-2025-53691
High
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.
SeverityHigh
CVSS8.8
Exploit probability—
Product
Sitecore Experience Commerce
PublishedSep 3, 2025
First seenSep 3, 2025
Weakness typeCWE-502Deserialization of untrusted data
How to fix
Update
- sitecore experience_platform10.4 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| sitecore experience_commerce | 9.0 ≤ v ≤ 10.4 | — |
| sitecore experience_manager | 9.0 ≤ v ≤ 10.4 | — |
| sitecore experience_platform | 9.0 ≤ v < 10.4, 10.4 | 10.4 |
| sitecore managed_cloud | No range specified | — |
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