PT-2026-111300 · Mozilla · Firefox For Ios

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CVE-2026-103418

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Published

2026-10-13

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Updated

2026-10-13

CVSS v3.1

8.8

High

VectorAV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Firefox for iOS directly interpolated the page’s HTML language attribute into translation JavaScript, allowing attacker-controlled markup to execute code in Firefox’s privileged content world and bypass the page’s Content Security Policy. This vulnerability was fixed in Firefox for iOS 157.1.

Fix

XSS

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Weakness Enumeration

Related Identifiers

CVE-2026-103418

Affected Products

Firefox For Ios