CVE-2025-55030

MEDIUM

Firefox for iOS <142 - XSS

Title source: llm

Description

Firefox for iOS would not respect a Content-Disposition header of type Attachment and would incorrectly display the content inline rather than downloading, potentially allowing for XSS attacks This vulnerability affects Firefox for iOS < 142.

Scores

CVSS v3 6.1
EPSS 0.0003
EPSS Percentile 7.7%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Classification

CWE
CWE-640
Status published

Affected Products (1)

mozilla/firefox < 142.0

Timeline

Published Aug 19, 2025
Tracked Since Feb 18, 2026