CVE-2025-1940: firefox — Fix

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.

Is your site exposed to CVE-2025-1940?

Run a free security scan — no signup, results in seconds.

CVSS v3.1 Score

7.1

HIGH

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

Weakness Type (CWE)

CWE-1021 CWE-1021

Affected Products

Vendor	Product	Versions
mozilla	firefox	< 136.0

References

Advisories & Patches

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

Other References

https://bugzilla.mozilla.org/show_bug.cgi?id=1908488

Frequently Asked Questions

What is CVE-2025-1940? +

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. It has a CVSS v3.1 base score of 7.1 (HIGH).

How severe is CVE-2025-1940? +

CVE-2025-1940 has a CVSS v3.1 score of 7.1 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-1940? +

CVE-2025-1940 affects products from mozilla, specifically: firefox. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-1940? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

Related Vulnerabilities

CVE-2025-64387

The web application is vulnerable to a so-called ‘clickjacking’ attack. In this type of attack, the vulnerable page is inserted …

CVE-2025-41000

Cross-Frame Scripting (XFS) vulnerability in BoomCMS v9.1.4 from UXB London. XFS is a web attack technique that exploits specific browser …

CVE-2025-6983

A Clickjacking vulnerability in TP-Link Archer C1200 web management page allows an attacker to trick users into performing unintended actions …

CVE-2024-10004 9.1

Opening an external link to an HTTP website when Firefox iOS was previously closed and had an HTTPS tab open …

CVE-2024-7523 8.1

A select option could partially obscure security prompts. This could be used by a malicious site to trick a user …

CVE-2026-58595 8.1

Improper restriction of rendered ui layers or frames in Microsoft Bing App for IOS allows an unauthorized attacker to perform …

CVE-2025-1940