CVE-2025-1940

7.1 HIGH 0.2% exploit odds Fix listed Other Browser & mail

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in, but needs a user to act. High risk of data exposure.
Exploit odds: 0.2% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2025-03-04 14:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-09-30 18:10 UTC Last updatedMost recent change to the record

Details

Published: 2025-03-04 14:15 UTC
Last modified: 2026-09-30 18:10 UTC
Exploit probability: 0.2% · EPSS, next 30 days
Weakness: CWE-1021
Record status: Modified

Affected

Mozilla Firefox < 136.0

Attack profile CVSS 3.1 · 7.1

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required
Scope: Unchanged
Confidentiality: High
Integrity: Low
Availability: None

Raw vector

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

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Fix and advisories

https://www.mozilla.org/security/advisories/mfsa2025-14/

References

NVD record · CVE.org record