CVE-2024-26283

HIGH

Firefox for iOS < 123.0 - Cross-Site Scripting via JavaScript URI in Custom Scheme

Title source: llm

Description

An attacker could have executed unauthorized scripts on top origin sites using a JavaScript URI when opening an external URL with a custom Firefox scheme. This vulnerability affects Firefox for iOS < 123.

References (2)

Core 2

Core References

Issue Tracking

https://bugzilla.mozilla.org/show_bug.cgi?id=1850158

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2024-08/

Scores

CVSS v3 7.8

EPSS 0.0013

EPSS Percentile 31.5%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-83

Status published

Products (1)

mozilla/firefox < 123.0

Published Feb 22, 2024

Tracked Since Feb 18, 2026