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Federal Civilian Executive Branch (FCEB) agencies are being recommended to refresh their Sitecore instances by September 25, 2025, after the identification of a security weakness that is currently being exploited in real-world scenarios.

The vulnerability, labeled as CVE-2025-53690, has a CVSS score of 9.0 out of a total of 10.0, signifying critical urgency.

“Sitecore Experience Manager (XM), Experience

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