CVE-2025-9183 — User Interface (UI) Misrepresentation of Critical Information in Mozilla Firefox

CWE-451 — User Interface (UI) Misrepresentation of Critical Information8 documents7 sources
Severity
6.5MEDIUMNVD
EPSS
0.0%
top 91.77%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Mozilla Firefox
Timeline
PublishedAug 19

Description

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

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:NExploitability: 2.8 | Impact: 3.6

Affected Packages1 packages

▶NVDmozilla/firefox< 140.2.0+1

🔴Vulnerability Details

3
CVEList
Spoofing issue in the Address Bar component↗2025-08-19
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OSV
CVE-2025-9183: Spoofing issue in the Address Bar component↗2025-08-19
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GHSA
GHSA-vhcx-3xrg-8hjg: Spoofing issue in the Address Bar component↗2025-08-19
▶

📋Vendor Advisories

4
Red Hat
firefox: Spoofing issue in the Address Bar component↗2025-08-19
▶
Debian
CVE-2025-9183: firefox - Spoofing issue in the Address Bar component. This vulnerability affects Firefox ...↗2025
▶
Mozilla
Mozilla Foundation Security Advisory 2025-64: CVE-2025-9183↗
▶
Mozilla
Mozilla Foundation Security Advisory 2025-67: CVE-2025-9183↗
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CVE-2025-9183 — Mozilla Firefox vulnerability | cvebase