CVE-2025-13132 HIGH

CVE-2025-13132: Dia: Increased Spoof Risk; Missing full screen toast

Vendor The Browser Company Of New York
Product Dia
Weakness CWE-1021
Published November 21, 2025
Last update November 21, 2025

CVSS base score

7.4/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality None
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N

What the vulnerability does

01Description

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.)

Key dates

02Disclosure timeline

November 21, 2025 CVE published
November 21, 2025 Record updated