CVE-2025-1939

Name: CVE-2025-1939
Creator: NVD / NIST
Published: 2025-03-04T14:15:38.837+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.9/10EPSS 0.17%

Last modified Jun 17, 2026

CVE-2025-1939 is a low-severity vulnerability rated 3.9/10 on the CVSS scale. 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. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

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 was fixed in Firefox 136.

Metrics

CVSS 3.1

3.9/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

EPSS Probability

0.17%

6.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-359

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 136.0

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1928334Issue Tracking
https://www.mozilla.org/security/advisories/mfsa2025-14/Vendor Advisory
https://taptrap.clickProduct

Timeline

Published: Mar 4, 2025
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2025-1939?

How severe is CVE-2025-1939?

CVE-2025-1939 has a CVSS score of 3.9/10 (LOW severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.

How do I fix CVE-2025-1939?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-1939?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST