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Vulnerability record · CVE-2019-13493 · published 17 July 2019

CVE-2019-13493: Sitecore experience platform cross-site scripting vulnerability

SSitecore · Experience Platform

In Sitecore 9.0 rev 171002, Persistent XSS exists in the Media Library and File Manager. An authenticated unprivileged user can modify the uploaded file extension parameter to inject arbitrary JavaScript.

5.4 CVSS 3.0 Medium EPSS 1.6% · top 25.5% CWE-79 · Cross-site scripting
5.4CVSS 3.0 base score, v2 3.5
1.6%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

In Sitecore 9.0 rev 171002, Persistent XSS exists in the Media Library and File Manager. An authenticated unprivileged user can modify the uploaded file extension parameter to inject arbitrary JavaScript.

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected products

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

References

LinkTags
http://packetstormsecurity.com/files/153613/Sitecore-9.0-Rev-171002-Cross-Site-Scripting.html ExploitThird Party AdvisoryVDB Entry
http://packetstormsecurity.com/files/153613/Sitecore-9.0-Rev-171002-Cross-Site-Scripting.html ExploitThird Party AdvisoryVDB Entry

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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%analysed9.8CVE-2023-27068Sitecore experience platform deserialization of untrusted data vulnerabilityDeserialization of Untrusted Data in Sitecore Experience Platform through 10.2 allows remote attackers to run arbitrary code via ValidationResult.asp…EPSS 1.7%8.8CVE-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%

Source: NIST National Vulnerability Database (record CVE-2019-13493), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.