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    CVE-2025-53690

    Deserialization of Untrusted Data vulnerability in Sitecore Experience Manager (XM), Sitecore Experience Platform (XP) allows Code Injection.This issue affects Experience Manager (XM): through 9.0; Experience Platform (XP): through 9.0.

    Published:Sep 3, 2025
    Last Modified:Feb 26, 2026
    EPS:Sep 3, 2025
    EPSS Score:0.09508
    CVSS Score:9

    CISA Notification

    Description

    Deserialization of Untrusted Data vulnerability in Sitecore Experience Manager (XM), Sitecore Experience Platform (XP) allows Code Injection.This issue affects Experience Manager (XM): through 9.0; Experience Platform (XP): through 9.0.

    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.

    Notes:

    No extra notes provided.

    Due Date
    Sep 25, 2025
    351 days ago
    Alert Date
    Sep 4, 2025
    372 days ago

    Affected Products

    Vendor
    Sitecore
    Product
    Experience Commerce
    Vendor
    Sitecore
    Product
    Experience Manager
    Vendor
    Sitecore
    Product
    Experience Platform
    Vendor
    Sitecore
    Product
    Managed Cloud

    Exploits

    https://cloud.google.com/blog/topics/threat-intelligence/viewstate-deserialization-zero-day-vulnerabilityhttps://github.com/Ashwesker/Blackash-CVE-2025-53690https://github.com/B1ack4sh/Blackash-CVE-2025-53690https://github.com/ErikLearningSec/CVE-2025-53690-POChttps://github.com/m0d0ri205/CVE-2025-53690-Analysishttps://github.com/rxerium/CVE-2025-53690

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-586 Object Injection

    Related CVEs

    CVE-2025-53691 (CVSS 8.8) — Deserialization of Untrusted Data vulnerability in Sitecore Experience Manager (XM), Sitecore Experience Platf…
    CVE-2025-53693 (CVSS 9.8) — Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Sitecore S…
    CVE-2025-53694 (CVSS 7.5) — Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Sitecore Sitecore Experience Manag…
    CVE-2025-34138 — This CVE ID has been rejected or withdrawn by its CVE Numbering Authority, as it is a duplicate of CVE-2025-53…
    CVE-2025-34139 (CVSS 8.7) — A vulnerability exists in Sitecore Experience Manager (XM), Experience Platform (XP), Experience Commerce (XC)…
    CVE-2025-34511 (CVSS 8.8) — Sitecore PowerShell Extensions, an add-on to Sitecore Experience Manager (XM) and Experience Platform (XP), th…
    CVE-2025-34510 (CVSS 8.8) — Sitecore Experience Manager (XM), Experience Platform (XP), and Experience Commerce (XC) versions 9.0 through …
    CVE-2025-34509 (CVSS 7.5) — Sitecore Experience Manager (XM) and Experience Platform (XP) versions 10.1 to 10.1.4 rev. 011974 PRE, all ver…
    CVE-2024-46938 (CVSS 7.5) — An issue was discovered in Sitecore Experience Platform (XP), Experience Manager (XM), and Experience Commerce…
    CVE-2023-35813 (CVSS 9.8) — Multiple Sitecore products allow remote code execution. This affects Experience Manager, Experience Platform, …

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High