Vulnerability Monitor

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CVE-2025-1019

The z-order of the browser windows could be manipulated to hide the fullscreen notification. This could potentially be leveraged to perform a spoofing attack. This vulnerability affects Firefox < 135 and Thunderbird < 135.

Published

2025-02-04T14:15:32.850

Last Modified

2025-02-06T19:40:29.267

Status

Analyzed

Source

[email protected]

Severity

CVSSv3.1: 4.3 (MEDIUM)

Weaknesses

Type: Primary
CWE-1021
Type: Secondary
CWE-1021

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	mozilla	firefox	< 135.0	Yes
Application	mozilla	thunderbird	< 135.0	Yes

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1940162 Permissions Required ([email protected])
https://www.mozilla.org/security/advisories/mfsa2025-07/ Vendor Advisory ([email protected])
https://www.mozilla.org/security/advisories/mfsa2025-11/ Vendor Advisory ([email protected])