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AVID-2026-R0253

Description

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

Details

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

Affected or Relevant Artifacts

  • Developer: The Browser Company of New York
  • Deployer: The Browser Company of New York
  • Artifact Details:
TypeName
SystemDia

Impact

AVID Taxonomy Categorization

  • Risk domains: Security
  • SEP subcategories: S0100: Software Vulnerability
  • Lifecycle stages: L06: Deployment

CVSS

Version3.1
Vector StringCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:H/A:N
Base Score7.4
Base Severity🔴 High
Attack VectorNETWORK
Attack Complexity🟢 Low
Privileges RequiredNONE
User InteractionREQUIRED
ScopeCHANGED
Confidentiality ImpactNONE
Integrity Impact🔴 High
Availability ImpactNONE

CWE

IDDescription
CWE-1021CWE-1021 Improper Restriction of Rendered UI Layers or Frames

Other information

  • Report Type: Advisory
  • Credits:
  • Date Reported: 2025-11-21
  • Version: 0.3.2
  • AVID Entry