CVE-2023-25743

HIGH
MEDIUM Priority: 0.05 BB Relevance: 75/100
Published: 2023-06-02 Modified: 2026-10-24 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Integ. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: None
I: High
A: None

Description

A lack of in app notification for entering fullscreen mode could have lead to a malicious website spoofing browser chrome.<br>*This bug only affects Firefox Focus. Other versions of Firefox are unaffected.*. This vulnerability affects Firefox < 110 and Firefox ESR < 102.8.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
mozilla firefox_focus -

Bug Bounty Relevance

75 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS — Exploitation Probability

0.65%
Raw Score 0.006490
Percentile 51.0%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00649
2026-10-28
0.00649

Intelligence Sources

nvd ref →