CVSS 3.1 Score 5.3 of 10 (medium)


Published Oct 25, 2023
Updated: Jan 7, 2024


CVE-2023-5723 is a vulnerability that affects Firefox versions prior to 119. It allows an attacker with temporary script access to a site to set a cookie containing invalid characters, leading to potential unknown errors. The vulnerability has a base severity of MEDIUM and a base score of 5.3 according to the National Vulnerability Database (NVD). Remediation for this vulnerability would involve updating Firefox to version 119 or later. The potential danger it poses to an organization is low integrity impact and no confidentiality impact, as it does not allow unauthorized access or disclosure of sensitive information.

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