Vulnerability in Mozilla Firefox For Ios
CVE-2026-13356
A malicious webpage could interrupt a pending navigation by enqueuing a synchronous JavaScript dialog, causing the browser UI to display the destination origin in the address bar while continuing to render attacker-controlled content. This…
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.
Affected products
- Mozilla Firefox For Ios — versions 152.3
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-13356?
- CVE-2026-13356 is a medium-severity vulnerability in Mozilla Firefox For Ios, classified under User Interface (UI) Misrepresentation of Critical Information. CVSS score: 6.3/10. Published 2026-07-07.
- How severe is CVE-2026-13356?
- Medium severity. CVSS v3 base score is 6.3 out of 10.