CVE-2023-37210: Mozilla Firefox

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

A website could prevent a user from exiting full-screen mode via alert and prompt calls. This could lead to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 115.

Affected products

• Mozilla Firefox: before 115.0 (fixed in 115.0)

Published 2023-07-05. Last modified 2026-06-17.