Spoofing Vulnerability in Dia Browser on macOS
CVE-2025-15032

7.4HIGH

Key Information:

Vendor

The Browser Company Of New York

Status
Dia
Vendor
CVE Published:
16 January 2026

What is CVE-2025-15032?

A vulnerability in Dia Browser for macOS prior to version 1.9.0 allows attackers to exploit a missing about:blank indicator in custom-sized new windows. This can enable malicious actors to spoof trusted domain names in the window title, potentially deceiving users and leading them to believe they are interacting with a legitimate site. It poses a significant risk by undermining user trust and could facilitate phishing attacks or other malicious activities.

Affected Version(s)

Dia 0 < 1.9.0

References

https://www.diabrowser.com/security/bulletins#CVE-2025-15032

CVSS V3.1

Score:
7.4
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.