CVE-2023-5723

MEDIUM

Firefox < 119.0 - Cookie Injection via Invalid Characters in document.cookie

Title source: llm
STIX 2.1

Description

An attacker with temporary script access to a site could have set a cookie containing invalid characters using `document.cookie` that could have led to unknown errors. This vulnerability affects Firefox < 119.

References (3)

Core 3

Scores

CVSS v3 5.3
EPSS 0.0017
EPSS Percentile 37.3%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Details

Status published
Products (1)
mozilla/firefox < 119.0
Published Oct 25, 2023
Tracked Since Feb 18, 2026