CVE-2023-5721

MEDIUM

Firefox <119 - Info Disclosure

Title source: llm
STIX 2.1

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.

Scores

CVSS v3 4.3
EPSS 0.0031
EPSS Percentile 54.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-1021
Status published
Products (5)
debian/debian_linux 10.0
debian/debian_linux 11.0
mozilla/firefox < 119.0
mozilla/firefox_esr < 115.4
mozilla/thunderbird < 115.4.1
Published Oct 25, 2023
Tracked Since Feb 18, 2026