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Due to URL previews in the network panel of developer tools improperly storing URLs, query parameters could potentially be used to overwrite global objects in privileged code. This vulnerability affects Firefox < 110.

🗓️ 03 Sep 2025 22:04:26Reported by MicrosoftType 
mscve
 mscve
🔗 msrc.microsoft.com👁 2 Views

URL previews in developer tools can overwrite global objects in privileged code via query parameters; Firefox before 110.

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03 Sep 2025 22:04Current
7High risk
Vulners AI Score7
CVSS 3.18.8
EPSS0.00277
SSVC
2