CVE-2025-23109mediumCWE-346

CVE-2025-23109: medium-severity vulnerability in Mozilla Firefox for iOS

Address bar spoofing on iOS using long hostnames

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.5epss 0.2%
Long hostnames in URLs could be leveraged to obscure the actual host of the website or spoof the website address. This vulnerability was fixed in Firefox for iOS 134.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N
Affected products
Mozilla · Firefox for iOS
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