CVE-2025-13132

Dia: Increased Spoof Risk; Missing full screen toast

Published Nov 21, 2025 CVSS 3.1 · 7.4 High EPSS < 1% KEV · Not listed
Description
This vulnerability allowed a site to enter fullscreen, after a user click, without a full-screen notification (toast) appearing. Without this notification, users could potentially be misled about what site they were on if a malicious site renders a fake UI (like a fake address bar.)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared The Browser Company
The Browser Company dia
Vendors & Products The Browser Company
The Browser Company dia
Type Values Removed Values Added
Description This vulnerability allowed a site to enter fullscreen, after a user click, without a full-screen notification (toast) appearing. Without this notification, users could potentially be misled about what site they were on if a malicious site renders a fake UI (like a fake address bar.)
Title Dia: Increased Spoof Risk; Missing full screen toast
Weaknesses CWE-1021
References
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
BCNY
Published
Updated
Nov 21, 2025, 6:08 PM
Reserved
Nov 13, 2025, 3:33 PM
Status
Deferred
Published
Nov 21, 2025, 6:15 PM
Modified
Oct 8, 2026, 10:10 AM