DNN Vulnerability Exposes NTLM Credentials via Unicode Normalization Bypass

Security researchers have discovered a critical vulnerability in DNN (formerly DotNetNuke), one of the oldest open-source content management systems, that allows attackers to steal NTLM credentials through a sophisticated Unicode normalization bypass technique. The vulnerability, tracked as CVE-2025-52488, affects the widely-used enterprise CMS platform and demonstrates how defensive coding measures can be circumvented through carefully […]

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