CISA Orders Immediate Patch of Critical Sitecore Vulnerability Under Active Exploitation The Hacker [email protected] (The Hacker News)

Federal Civilian Executive Branch (FCEB) agencies are being advised to update their Sitecore instances by September 25, 2025, following the discovery of a security flaw that has come under active exploitation in the wild.
The vulnerability, tracked as CVE-2025-53690, carries a CVSS score of 9.0 out of a maximum of 10.0, indicating critical severity.
“Sitecore Experience Manager (XM), Experience Federal Civilian Executive Branch (FCEB) agencies are being advised to update their Sitecore instances by September 25, 2025, following the discovery of a security flaw that has come under active exploitation in the wild.
The vulnerability, tracked as CVE-2025-53690, carries a CVSS score of 9.0 out of a maximum of 10.0, indicating critical severity.
“Sitecore Experience Manager (XM), Experience 

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