CVE-2025-13132 Dia: Increased Spoof Risk; Missing full screen toast
Attackers can spoof UI elements by entering fullscreen without notification, misleading users about the active site in the Dia browser.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-13132?
CVE-2025-13132 is a high-severity vulnerability in The Browser Company of New York Dia, published on 21 Nov 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.)
Weakness: CWE-1021
Which versions are affected by CVE-2025-13132?
How do I fix CVE-2025-13132?
No fix has been published for CVE-2025-13132 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-13132 being exploited?
There is no known exploitation of CVE-2025-13132 in the wild and no public exploit code.
Sources
Also known as GHSA-p3v4-vvf3-w2hh.