CVE-2025-13132

HIGH

Dia < 1.6.0 - Unauthenticated UI Spoofing via Fullscreen Notification Bypass

Title source: llm
STIX 2.1

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.)

References (1)

Core 1

Scores

CVSS v3 7.4
EPSS 0.0020
EPSS Percentile 10.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-1021
Status published
Products (1)
The Browser Company of New York/Dia < 1.6.0
Published Nov 21, 2025
Tracked Since Feb 18, 2026