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Sitecore Vulnerabilities

Known Exploited Vulnerabilities catalog entries for Sitecore products.

4
CVE Total
3
Critical
1
Ransomware
CVE-2025-53690 CRITICAL

Sitecore Multiple Products Deserialization of Untrusted Data Vulnerability

Sitecore Multiple Products
CVSS 9
Added Sep 04
CVE-2019-9874 CRITICAL

Sitecore CMS and Experience Platform (XP) Deserialization Vulnerability

Sitecore CMS and Experience Platform (XP)
CVSS 9.8
Added Mar 26
CVE-2019-9875 HIGH

Sitecore CMS and Experience Platform (XP) Deserialization Vulnerability

Sitecore CMS and Experience Platform (XP)
CVSS 8.8
Added Mar 26
CVE-2021-42237 CRITICAL Ransomware

Sitecore XP Remote Command Execution Vulnerability

Sitecore XP
CVSS 9.8
Added Mar 25