Sitecore HTML Cache Poisoning (CVE-2025-53693) Exploit Attempt

Tim Peck@timpeck

•updated Aug 29, 2025•2•1•40

Detects attempts to exploit the Sitecore Experience Platform HTML cache poisoning vulnerability (CVE-2025-53693). Attackers can send a crafted HTTP request to a specific XAML handler to poison the HTML cache, leading to website defacement or client-side code execution.