CVE-2025-1018

medium

Description

The fullscreen notification is prematurely hidden when fullscreen is re-requested quickly by the user. This could have been leveraged to perform a potential spoofing attack. This vulnerability was fixed in Firefox 135 and Thunderbird 135.

References

https://www.mozilla.org/security/advisories/mfsa2025-11/

https://www.mozilla.org/security/advisories/mfsa2025-07/

https://bugzilla.mozilla.org/show_bug.cgi?id=1910818

Details

Source: Mitre, NVD

Published: 2025-02-04

Updated: 2026-04-13

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 5.3

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N