Android apps can load web pages using the Custom Tabs feature. This feature supports a transition animation that could have been used to trick a user into granting sensitive permissions by hiding what the user was actually clicking. This vulnerability was fixed in Firefox 136.

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Source ID Title
EUVD EUVD EUVD-2025-6162 Android apps can load web pages using the Custom Tabs feature. This feature supports a transition animation that could have been used to trick a user into granting sensitive permissions by hiding what the user was actually clicking. This vulnerability affects Firefox < 136.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Mon, 13 Apr 2026 15:00:00 +0000

Type Values Removed Values Added
Description Android apps can load web pages using the Custom Tabs feature. This feature supports a transition animation that could have been used to trick a user into granting sensitive permissions by hiding what the user was actually clicking. This vulnerability affects Firefox < 136. Android apps can load web pages using the Custom Tabs feature. This feature supports a transition animation that could have been used to trick a user into granting sensitive permissions by hiding what the user was actually clicking. This vulnerability was fixed in Firefox 136.
Title firefox: Tapjacking in Android Custom Tabs using transition animations Tapjacking in Android Custom Tabs using transition animations

Mon, 08 Sep 2025 00:30:00 +0000

Type Values Removed Values Added
References

Thu, 03 Apr 2025 14:00:00 +0000

Type Values Removed Values Added
First Time appeared Mozilla
Mozilla firefox
CPEs cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*
Vendors & Products Mozilla
Mozilla firefox

Wed, 05 Mar 2025 19:15:00 +0000

Type Values Removed Values Added
Weaknesses CWE-359
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

cvssV3_1

{'score': 3.9, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N'}


Wed, 05 Mar 2025 03:00:00 +0000

Type Values Removed Values Added
Title firefox: Tapjacking in Android Custom Tabs using transition animations
Weaknesses CWE-1021
References
Metrics threat_severity

None

cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N'}

threat_severity

Important


Tue, 04 Mar 2025 13:45:00 +0000

Type Values Removed Values Added
Description Android apps can load web pages using the Custom Tabs feature. This feature supports a transition animation that could have been used to trick a user into granting sensitive permissions by hiding what the user was actually clicking. This vulnerability affects Firefox < 136.
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-04-13T14:30:21.704Z

Reserved: 2025-03-04T12:29:44.141Z

Link: CVE-2025-1939

cve-icon Vulnrichment

Updated: 2025-09-07T23:09:55.634Z

cve-icon NVD

Status : Modified

Published: 2025-03-04T14:15:38.837

Modified: 2026-04-13T15:16:53.420

Link: CVE-2025-1939

cve-icon Redhat

Severity : Important

Publid Date: 2025-03-04T13:31:22Z

Links: CVE-2025-1939 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses