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When a network error occurred during page load, the prior content could have remained in view with a blank URL bar. This could have been used to obfuscate a spoofed web site. This vulnerability affects Firefox < 126.

🗓️ 03 Sep 2025 22:00:44Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 6 Views

Network errors on page load can leave content with a blank address bar, enabling spoofed sites in Firefox below 126.

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03 Sep 2025 22:00Current
9.2High risk
Vulners AI Score9.2
CVSS 3.17.5
EPSS0.00541
SSVC
6