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sitecore experience platform vulnerabilities

22 published CVES affecting sitecore experience platform, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).

Total
22
Critical
6
High
12
Medium
4
Low
0
Unscored
0
CISA KEV
3

Latest sitecore experience platform CVEs

Newest publication first

  1. CVE-2025-53690 Sitecore Products ViewState Deserialization Vulnerability

    Published
    CriticalCVSS 9.0 EPSS 60.7% CISA KEV added 2025-09-04 Exploited in the wild

    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.

  3. CVE-2025-53693 HTML Cache Poisoning through Unsafe Reflections

    Published
    CriticalCVSS 9.8 EPSS 20.3%

    Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Sitecore Sitecore Experience Manager (XM), Sitecore Experience Platform (XP) allows Cache Poisoning.This issue affects Sitecore Experience Manager (XM): from 9.0 through 9.3, from...

  4. CVE-2025-53694 Information Disclosure in ItemServices API

    Published
    HighCVSS 7.5 EPSS 6.9%

    Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Sitecore Sitecore Experience Manager (XM), Sitecore Experience Platform (XP).This issue affects Sitecore Experience Manager (XM): from 9.2 through 10.4; Experience Platform (XP): from 9.2 through 10.4.

  5. CVE-2022-4979 Sitecore XP 7.5 - 10.2, CMS 7.2, and Managed Cloud XSS

    Published
    MediumCVSS 5.1 EPSS 0.72%

    A cross-site scripting (XSS) vulnerability exists in Sitecore Experience Platform (XP) 7.5 - 10.2 and CMS 7.2 - 7.2 Update-6 that may allow authenticated Sitecore Shell users to be tricked into executing custom JS code. Managed Cloud Standard customers who run the affected Siteco...

  6. CVE-2025-34511 Sitecore PowerShell Extension RCE via Unrestricted Upload

    Published
    HighCVSS 8.8 EPSS 30.4% Framework module

    Sitecore PowerShell Extensions, an add-on to Sitecore Experience Manager (XM) and Experience Platform (XP), through version 7.0 is vulnerable to an unrestricted file upload issue. A remote, authenticated attacker can upload arbitrary files to the server using crafted HTTP request...

  7. CVE-2025-34510 Sitecore XM, XC, and XP Post-Auth RCE via Zip Slip

    Published
    HighCVSS 8.8 EPSS 24.8% Framework module

    Sitecore Experience Manager (XM), Experience Platform (XP), and Experience Commerce (XC) versions 9.0 through 9.3 and 10.0 through 10.4 are affected by a Zip Slip vulnerability. A remote, authenticated attacker can exploit this issue by sending a crafted HTTP request to upload a...

  8. CVE-2025-34509 Sitecore XM and XP Hardcoded Credentials

    Published
    HighCVSS 7.5 EPSS 55.9%

    Sitecore Experience Manager (XM) and Experience Platform (XP) versions 10.1 to 10.1.4 rev. 011974 PRE, all versions of 10.2, 10.3 to 10.3.3 rev. 011967 PRE, and 10.4 to 10.4.1 rev. 011941 PRE contain a hardcoded user account. Unauthenticated and remote attackers can use this acco...

  18. CVE-2021-42237 Sitecore XP 7.5 Initial Release to Sitecore XP 8.2 Update-7 is vulnerable to an insecure deserialization attack where it is possible to achieve remote command execution on the machine. No authenticati...

    Published
    CriticalCVSS 9.8 EPSS 97.4% CISA KEV added 2022-03-25 Ransomware Exploited in the wild Framework module PoC

    Sitecore XP 7.5 Initial Release to Sitecore XP 8.2 Update-7 is vulnerable to an insecure deserialization attack where it is possible to achieve remote command execution on the machine. No authentication or special configuration is required to exploit this vulnerability.

  20. CVE-2019-11080 Sitecore Experience Platform (XP) prior to 9.1.1 is vulnerable to remote code execution via deserialization, aka TFS # 293863. An authenticated user with necessary permissions is able to remotely exec...

    Published
    HighCVSS 8.8 EPSS 13.9%

    Sitecore Experience Platform (XP) prior to 9.1.1 is vulnerable to remote code execution via deserialization, aka TFS # 293863. An authenticated user with necessary permissions is able to remotely execute OS commands by sending a crafted serialized object.

  21. CVE-2019-9874 Deserialization of Untrusted Data in the Sitecore.Security.AntiCSRF (aka anti CSRF) module in Sitecore CMS 7.0 to 7.2 and Sitecore XP 7.5 to 8.2 allows an unauthenticated attacker to execute arbitrary...

    Published
    CriticalCVSS 9.8 EPSS 83.7% CISA KEV added 2025-03-26 Exploited in the wild

    Deserialization of Untrusted Data in the Sitecore.Security.AntiCSRF (aka anti CSRF) module in Sitecore CMS 7.0 to 7.2 and Sitecore XP 7.5 to 8.2 allows an unauthenticated attacker to execute arbitrary code by sending a serialized .NET object in the HTTP POST parameter __CSRFTOKEN...

  22. CVE-2016-8855 Cross-Site Scripting (XSS) in "/sitecore/client/Applications/List Manager/Taskpages/Contact list" in Sitecore Experience Platform 8.1 rev. 160519 (8.1 Update-3) allows remote attacks via the Name or D...

    Published
    MediumCVSS 6.1 EPSS 2.2%

    Cross-Site Scripting (XSS) in "/sitecore/client/Applications/List Manager/Taskpages/Contact list" in Sitecore Experience Platform 8.1 rev. 160519 (8.1 Update-3) allows remote attacks via the Name or Description parameter. This is fixed in 8.2 Update-2.

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.