7.1

CVE-2025-1940: mozilla firefox

CVSS: 7.1v3.1HighModified
AliasesCGA-pf8f-8xvq-q6r9CGA-pwxm-xrj3-gm9mCGA-vp2w-rp4h-2qh7
Published 04-03-2025Last modified 04-06-2026
Open JSON

Vulnerability summary

CVE-2025-1940 is a high (CVSS 7.1) vulnerability in mozilla firefox. EPSS estimates a 0.25% chance of exploitation in the next 30 days, higher than 15% of scored vulnerabilities.

Overall risk
28/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.1/10
010
High · v3.1 (CVE.org)
EPSS score
0.25%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 4
OPENSUSE-SU-2025:14861-1OPENSUSE-SU-2026:11373-1CGA-JQQ3-5X3P-4G63UBUNTU-CVE-2025-1940

Timeline

  1. 04-03-2025
    PublishedVulnerability first disclosed.
  2. 04-06-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.25%

Chance of exploitation in the next 30 days

Percentile

15%

Versus all other CVEs

30-day change

+0.01 pp

From 0.24% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.25%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard2 products
  • firefox< 136-r0
  • firefox-esr< 136-r0
Mozilla1 product
Wolfi1 product
  • firefox< 136-r0

3 vendors · 4 products

References

2 links