CISA Orders Immediate Patch of Critical Sitecore Vulnerability Under Active Exploitation
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2025-30406 | Hard-coded machineKey enables unauthenticated deserialization RCE in Gladinet CentreStack and Triofox | 9.8 | 94% | KEV | KEV |
| CVE-2025-3935 | ViewState Code Injection in ConnectWise ScreenConnect May Lead to RCE | 7.2 | 4% | KEV | KEV |
| CVE-2025-53690 | Unauthenticated ViewState Deserialization RCE in Sitecore XM/XP | 9.0 | 61% | KEVPoC | KEV |
From the original article
4 min read at thehackernews.com
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.
By @TheHackersNews · thehackernews.com
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