CVE-2025-1940: Android Intent confirmation prompt tapjacking using Select options

Severity: high (CVSS 7.1 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: 2025-03-04 · updated 2026-09-30
Weakness: CWE-1021

Description

A select option could partially obscure the confirmation prompt shown before launching external apps. This could be used to trick a user in to launching an external app unexpectedly. *This issue only affects Android versions of Firefox.*. This vulnerability was fixed in Firefox 136.

Affected products

Mozilla Firefox: before 136.0 — fixed in 136.0

How to fix

Upgrade to a fixed version: Mozilla Firefox 136.0. Check the vendor advisory for mitigations.

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1908488
https://www.mozilla.org/security/advisories/mfsa2025-14/

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