VulnerabilityDeferred

CVE-2025-13132

This vulnerability allowed a site to enter fullscreen, after a user click, without a full-screen notification (toast) appearing.

HIGH 7.4EPSS 0.24%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (0.24%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

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.)

CVSS 3.1: 7.4 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
EPSS: 0.24% probability · 16th percentile
CISA KEV: Not listed
Weakness: CWE-1021
Source: 59469e6c-7ea7-446f-8e43-06aa32c115e8

References

https://www.diabrowser.com/security/bulletins#CVE-2025-13132

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.