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Mozilla Firefox Tab Title Disclosure Vulnerability When Using AI Chatbot

Vulnerability

A vulnerability exists in Firefox versions prior to 137, where the document title from one tab can unintentionally leak into the chat prompt of an AI chatbot in another tab. This occurs when the chatbot is first used in one tab and then activated in a different one.

Impact

Exploitation of this vulnerability could lead to unauthorized disclosure of document titles across tabs, potentially allowing for context or information leakage during chatbot interactions.

Remediation

Users can upgrade to Firefox 137 to address this vulnerability.

Added: Jun 9, 2025, 7:46 PM
Updated: Jun 9, 2025, 7:46 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
0.6
exploitability
4.4
remediation
7.7
relevance
0.0
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.