VULNERABILITY INTELLIGENCE
CVE-2023-5721
CVSS score4.3 MEDIUM
EPSS probability0.85%
CISA KEVNot currently listed
Published2023-10-25
Last modified2026-06-17
Description
It was possible for certain browser prompts and dialogs to be activated or dismissed unintentionally by the user due to an insufficient activation-delay. This vulnerability affects Firefox < 119, Firefox ESR < 115.4, and Thunderbird < 115.4.1.