CVE-2026-2032: Interrupted page loads in new tabs could allow website spoofing under trusted domains in Firefox iOS

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-02-16 · updated 2026-06-17
Weakness: CWE-451

Description

Malicious scripts that interrupt new tab page loading could cause desynchronization between the address bar and page content, allowing the attacker to spoof arbitrary HTML under a trusted domain. This vulnerability was fixed in Firefox for iOS 147.2.1.

Affected products

Mozilla Firefox: before 147.2.1 — fixed in 147.2.1

How to fix

Upgrade to a fixed version: Mozilla Firefox 147.2.1. Check the vendor advisory for mitigations.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2012152
https://www.mozilla.org/security/advisories/mfsa2026-09/

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