Vendor

Sitecore

4 of 7 Sitecore CVEs in Patchfirst (57%) are in of vulnerabilities exploited in the wild, 1 of them used by ransomware.

CVEs: 7
In CISA KEV: 457%
Known ransomware use: 1
Median days to KEV: 1,133; from publication
Latest KEV listing: 4 Sep 2025

Watch Sitecore Subscribe (RSS) JSON Feed All feeds

Products

In KEVOther CVEs

ProductKEVCVEs
CMS and Experience Platform (XP) In KEV: 2 CVEs: 2
Multiple Products In KEV: 1 CVEs: 1
XP In KEV: 1 CVEs: 1
Experience Manager In KEV: 0 CVEs: 2
Powershell Extension In KEV: 0 CVEs: 1

Top ATT&CK techniques

What attackers do with Sitecore CVEs

TechniqueCVEs
T1059Command and Scripting Interpreter CVEs: 4
T1190Exploit Public-Facing Application CVEs: 3

Open in ATT&CK Navigator

A layer for MITRE’s ATT&CK Navigator: techniques scored by the highest Patchfirst priority among their CVEs, neutral to red, with the CVE ids in each comment. “Open in Navigator” loads https://patchfirst.co/navigator/vendor/sitecore.json. Or download it and in Navigator choose Open Existing Layer → Upload from local.

Counts are Sitecore CVEs linked to the technique. Each link’s provenance is on the CVE page.

Sitecore CVEs

7 CVEs, by priority

CVE-2021-42237Sitecore XP Remote Command Execution Vulnerability
Sitecore · XPKEVRansomwarePublic exploitCritical · 9.8T1059Command and Scripting Interpreter
97.6%Top 0.1%
79.8priority
CVE-2019-9874Sitecore CMS and Experience Platform (XP) Deserialization Vulnerability
Sitecore · CMS and Experience Platform (XP)KEVPublic exploitCritical · 9.8T1190Exploit Public-Facing Application T1059Command and Scripting Interpreter
83.7%Top 0.31%
69.8priority
CVE-2025-53690Sitecore Multiple Products Deserialization of Untrusted Data Vulnerability
Sitecore · Multiple ProductsKEVPublic exploitCritical · 9.0T1190Exploit Public-Facing Application T1059Command and Scripting Interpreter
60.6%Top 0.86%
69.1priority
CVE-2019-9875Sitecore CMS and Experience Platform (XP) Deserialization Vulnerability
Sitecore · CMS and Experience Platform (XP)KEVPublic exploitHigh · 8.8T1190Exploit Public-Facing Application T1059Command and Scripting Interpreter
25.4%Top 2.1%
68.7priority
CVE-2025-34511Sitecore PowerShell Extension RCE via Unrestricted Upload
Sitecore · Powershell ExtensionPublic exploitHigh · 8.8
30.4%Top 1.8%
66.9priority
CVE-2025-34510Sitecore XM, XC, and XP Post-Auth RCE via Zip Slip
Sitecore · Experience ManagerPublic exploitHigh · 8.8
24.8%Top 2.1%
66.8priority
CVE-2025-34509Sitecore XM and XP Hardcoded Credentials
Sitecore · Experience ManagerPublic exploitHigh · 7.5
55.9%Top 0.96%
66.1priority