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Vulnerability record · CVE-2023-27068 · published 23 May 2023

CVE-2023-27068: Sitecore experience platform deserialization of untrusted data vulnerability

SSitecore · Experience Platform

Deserialization of Untrusted Data in Sitecore Experience Platform through 10.2 allows remote attackers to run arbitrary code via ValidationResult.aspx.

9.8 CVSS 3.1 Critical EPSS 1.7% · top 23.2% CWE-502 · Deserialization of untrusted data
9.8CVSS 3.1 base score
1.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

Deserialization of Untrusted Data in Sitecore Experience Platform through 10.2 allows remote attackers to run arbitrary code via ValidationResult.aspx.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://blogs.night-wolf.io/0-day-vulnerabilities-at-sitecore-pagedesigner ExploitThird Party Advisory
https://dev.sitecore.net/Downloads/Sitecore%20Experience%20Platform/103/Sitecore%20Experience%20Platform%20103/Release%2 Release Notes
https://www.sitecore.com/products/sitecore-experience-platform Product
https://blogs.night-wolf.io/0-day-vulnerabilities-at-sitecore-pagedesigner ExploitThird Party Advisory
https://dev.sitecore.net/Downloads/Sitecore%20Experience%20Platform/103/Sitecore%20Experience%20Platform%20103/Release%2 Release Notes
https://www.sitecore.com/products/sitecore-experience-platform Product

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2021-42237Sitecore XP insecure deserialization enables unauthenticated remote code executionSitecore XP 7.5 Initial Release through 8.2 Update-7 deserializes untrusted data, allowing an attacker to run arbitrary commands on the host. No auth…KEVEPSS 98%analysed9.8CVE-2019-9874Sitecore CMS/XP AntiCSRF module .NET deserialization RCEThe Sitecore.Security.AntiCSRF module in Sitecore CMS 7.0-7.2 and Sitecore XP 7.5-8.2 deserializes untrusted data from the HTTP POST parameter __CSRF…KEVEPSS 84%analysed9.0CVE-2025-53690Sitecore XM/XP untrusted deserialization enables code injectionSitecore Experience Manager and Experience Platform through version 9.0 deserialize untrusted data, allowing an attacker to inject and execute code. …KEVEPSS 51%analysed9.8CVE-2025-53693Sitecore experience commerce vulnerabilityUse of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Sitecore Sitecore Experience Manager (XM), Siteco…EPSS 15%9.8CVE-2023-35813Sitecore Experience products remote code execution via code injectionMultiple Sitecore products (Experience Manager, Experience Platform, Experience Commerce, and Managed Cloud) through version 10.3 contain a code inje…EPSS 87%analysed8.8CVE-2025-53691Sitecore experience commerce deserialization of untrusted data vulnerabilityDeserialization of Untrusted Data vulnerability in Sitecore Experience Manager (XM), Sitecore Experience Platform (XP) allows Remote Code Execution (…EPSS 1.6%8.8CVE-2025-34510Sitecore experience commerce relative path traversal vulnerabilitySitecore Experience Manager (XM), Experience Platform (XP), and Experience Commerce (XC) versions 9.0 through 9.3 and 10.0 through 10.4 are affected …EPSS 24%8.8CVE-2025-34511Sitecore experience commerce unrestricted file upload vulnerabilitySitecore PowerShell Extensions, an add-on to Sitecore Experience Manager (XM) and Experience Platform (XP), through version 7.0 is vulnerable to an u…EPSS 30%

Source: NIST National Vulnerability Database (record CVE-2023-27068), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.