CVE-2026-45150
Zen Browser - Missing Fullscreen Security Notification Allows Origin Spoofing
Description
Zen is a firefox-based browser. Prior to 1.19.13b, Zen Browser did not provide a persistent, clearly visible security notification when a webpage entered fullscreen mode, allowing an attacker-controlled page to hide the real browser UI and origin information, imitate a trusted website UI, and combine with long-domain URL eliding to spoof a trusted origin for phishing and credential theft. This issue is fixed in version 1.19.13b.
No summary for this CVE yet.
Weaknesses
Affected Products
zen-browser
oss-projectaka desktop
Exploitability
No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
References
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