CVE-2025-1939

LOW 3.9

Tapjacking in Android Custom Tabs using transition animations

CVSS Score

3.9

EPSS Score

0.0%

EPSS Percentile

0th

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.

Vendor	mozilla
Product	firefox
Ecosystems	Browser JavaScript
Industries	Technology
Published	Mar 4, 2025
Last Updated	Apr 13, 2026

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Affected Versions

Mozilla / Firefox

All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗

bugzilla.mozilla.org: https://bugzilla.mozilla.org/show_bug.cgi?id=1928334 mozilla.org: https://www.mozilla.org/security/advisories/mfsa2025-14/ taptrap.click: https://taptrap.click

Credits

Philipp Beer