CVE-2026-103418 | Mozilla Firefox for iOS up to 157.0 cross-domain policy

October 13, 2026 Yanac

A vulnerability identified as problematic has been detected in Mozilla Firefox for iOS up to 157.0. This vulnerability affects unknown code. This manipulation causes permissive cross-domain policy with untrusted domains.

This vulnerability is registered as CVE-2026-103418. Remote exploitation of the attack is possible. No exploit is available.

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