Firefox Android WebExt Clickjacking via UI Manipulation
CVE-2026-16397 Published on July 21, 2026
Clickjacking issue in the WebExtensions component in Firefox for Android
Clickjacking issue in the WebExtensions component in Firefox for Android. This vulnerability was fixed in Firefox 153.
Vulnerability Analysis
CVE-2026-16397 can be exploited with network access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality, a high impact on integrity, and no impact on availability.
Weakness Type
What is a Clickjacking Vulnerability?
The web application does not restrict or incorrectly restricts frame objects or UI layers that belong to another application or domain, which can lead to user confusion about which interface the user is interacting with. A web application is expected to place restrictions on whether it is allowed to be rendered within frames, iframes, objects, embed or applet elements. Without the restrictions, users can be tricked into interacting with the application when they were not intending to.
CVE-2026-16397 has been classified to as a Clickjacking vulnerability or weakness.
Products Associated with CVE-2026-16397
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Affected Versions
Mozilla Firefox:- Version 153, <= * is unaffected.