CVE-2025-1940

Name: CVE-2025-1940
Creator: NVD / NIST
Published: 2025-03-04T14:15:38.95+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.1/10EPSS 0.23%

Last modified Jun 17, 2026

CVE-2025-1940 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. 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. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.1/10

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

EPSS Probability

0.23%

13.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-1021

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 136.0

References

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

Timeline

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

Frequently Asked Questions

What is CVE-2025-1940?

How severe is CVE-2025-1940?

CVE-2025-1940 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.

How do I fix CVE-2025-1940?

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-2025-1940?

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

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Source: NVD / NIST