CVE-2026-2032
HTML Spoofing via Script Injection in Firefox for iOS
Publication date: 2026-02-16
Last updated on: 2026-04-13
Assigner: Mozilla Corporation
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| mozilla | firefox | to 147.2.1 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-451 | The user interface (UI) does not properly represent critical information to the user, allowing the information - or its source - to be obscured or spoofed. This is often a component in phishing attacks. |
| CWE-290 | This attack-focused weakness is caused by incorrectly implemented authentication schemes that are subject to spoofing attacks. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability occurs in Firefox for iOS versions before 147.2.1, where malicious scripts can interrupt the loading of new tab pages. This interruption causes a desynchronization between the address bar and the actual page content.
As a result, an attacker can spoof arbitrary HTML content under a trusted domain, meaning the address bar shows a legitimate URL while the page content is fraudulent.
How can this vulnerability impact me? :
The vulnerability can mislead users by displaying fraudulent web pages while showing legitimate URLs in the address bar.
This can enable attackers to conduct website spoofing attacks, potentially tricking users into divulging sensitive information or performing unintended actions.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
The immediate step to mitigate this vulnerability is to update Firefox for iOS to version 147.2.1 or later.
This update contains the fix that prevents attackers from exploiting the desynchronization between the address bar and page content, thereby stopping website spoofing attacks.