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Whale Browser Same-Origin Policy Bypass Vulnerability in Sidebar Environment

Vulnerability

A vulnerability in Whale browser versions prior to 4.35.351.12 allows attackers to bypass the Same-Origin Policy within a sidebar environment.

Impact

Exploitation of this vulnerability allows for a Same-Origin Policy bypass, which could lead to cross-origin data access or manipulation.

Added: Dec 30, 2025, 2:17 AM
Updated: Dec 30, 2025, 2:17 AM

Vulnerability Rating

Custom Algorithm
spread
6.6
impact
0.6
exploitability
4.4
remediation
0.0
relevance
1.8
threat
0.0
urgency
2.9
incentive
0.8

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.