VULNERABILITY INTELLIGENCE
CVE-2025-1018
CVSS score5.3 MEDIUM
EPSS probability0.42%
CISA KEVNot currently listed
Published2025-02-04
Last modified2026-10-05
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
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.
Weakness classification
- CWE-1021: Improper Restriction of Rendered UI Layers or Frames
Primary references
- security@mozilla.org — Permissions Required
- security@mozilla.org — Vendor Advisory
- security@mozilla.org — Vendor Advisory