Clickjacking Vulnerability in Firefox Browser by Mozilla

CVE-2026-84139

What is CVE-2026-84139?

A clickjacking vulnerability exists in the DOM: Events component of Firefox, allowing attackers to manipulate user interactions. This issue poses risks by potentially enabling malicious sites to leverage browser functionality without the user's knowledge. Mozilla has released updates to address this vulnerability, significantly enhancing user security in affected versions of the Firefox browser.

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