Sitecore vulnerabilities
We track 18 vulnerabilities in Sitecore products across 10 products. 18 are rated high or critical, and 4 have been exploited in real attacks. The most recent was published on September 21, 2025.
Latest Sitecore vulnerabilities
- 7.1 High severity
Sitecore Experience Manager (XM): Improper Neutralization of Input During Web Page Generation
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Sitecore Sitecore Experience Manager (XM), Sitecore Experience Platform (XP) allows Cross-Site Scripting (XSS).This issue affects Sitecore Experience M
- 9.0 Critical severity
Sitecore Multiple Products Deserialization of Untrusted Data Exploited
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.
- 7.5 High severity
Sitecore Experience Manager (XM): Exposure of Sensitive Information to an Unauthorized Actor
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
- 9.8 Critical severity
Sitecore Experience Manager (XM): Use of Externally-Controlled Input to Select Classes or Code
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.
- 8.8 High severity
Experience Manager (XM): Deserialization of Untrusted Data
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 Platf
- 8.7 High severity
Experience Manager (XM): Insufficiently Protected Credentials
A vulnerability exists in Sitecore Experience Manager (XM), Experience Platform (XP), Experience Commerce (XC), and Managed Cloud that could allow an unauthenticated attacker to read arbitrary files. This vulnerability affects all Experience Platform topologie
- 8.8 High severity
Powershell Extension: Unrestricted Upload of File with Dangerous Type
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
- 8.8 High severity
Experience Manager: Relative Path Traversal
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
- 7.5 High severity
Experience Manager: Use of Hard-coded Credentials
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 attacke
- 7.5 High severity
experience_platform: Exposure of Sensitive Information to an Unauthorized Actor
An issue was discovered in Sitecore Experience Platform (XP), Experience Manager (XM), and Experience Commerce (XC) 8.0 Initial Release through 10.4 Initial Release. An unauthenticated attacker can read arbitrary files.
- 8.8 High severity
Experience Platform: Use of Externally-Controlled Input to Select Classes or Code
Sitecore Experience Platform (XP) v9.3 was discovered to contain an authenticated remote code execution (RCE) vulnerability via the component /sitecore/shell/Invoke.aspx.
- 7.5 High severity
Experience Commerce: Incorrect Authorization
An issue in the MVC Device Simulator of Sitecore Experience Platform (XP), Experience Manager (XM), and Experience Commerce (XC) v9.0 Initial Release to v13.0 Initial Release allows attackers to bypass authorization rules.
- 9.8 Critical severity
Experience Platform: Deserialization of Untrusted Data
Deserialization of Untrusted Data in Sitecore Experience Platform through 10.2 allows remote attackers to run arbitrary code via ValidationResult.aspx.
- 7.5 High severity
Experience Platform: Improper Limitation of a Pathname to a Restricted Directory
Directory Traversal vulnerability in Sitecore Experience Platform through 10.2 allows remote attackers to download arbitrary files via crafted command to download.aspx
- 7.2 High severity
Experience Manager: Unrestricted Upload of File with Dangerous Type
An issue was discovered in Sitecore XP/XM 10.3. As an authenticated Sitecore user, a unrestricted language file upload vulnerability exists the can lead to direct code execution on the content management (CM) server.
- 9.8 Critical severity
Sitecore XP Remote Command Execution Exploited
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 vuln
- 8.8 High severity
Sitecore CMS and Experience Platform (XP) Deserialization Exploited
Deserialization of Untrusted Data in the anti CSRF module in Sitecore through 9.1 allows an authenticated attacker to execute arbitrary code by sending a serialized .NET object in an HTTP POST parameter.
- 9.8 Critical severity
Sitecore CMS and Experience Platform (XP) Deserialization Exploited
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 p