CVE-2025-9183

Medium

Description

Spoofing issue in the Address Bar component. This vulnerability was fixed in Firefox 142 and Firefox ESR 140.2.

SeverityMedium
CVSS6.5
Exploit probability—
ProductMozilla Firefox
PublishedAug 19, 2025
First seenAug 19, 2025
Weakness typeCWE-451CWE-451

How to fix

Update
  • mozilla firefox140.2.0, 142.0 or later

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 140.2.0, v < 142.0140.2.0, 142.0

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