CVSS 3.1 Score 4.3 of 10 (medium)


Published Oct 25, 2023
Updated: Nov 2, 2023
CWE ID 200


CVE-2023-5725 is a vulnerability that affects Firefox versions prior to 119, Firefox ESR versions prior to 115.4, and Thunderbird versions prior to 115.4.1. It allows a malicious installed WebExtension to open arbitrary URLs, potentially leading to the collection of sensitive user data. The vulnerability has a base severity rating of MEDIUM with a base score of 4.3 according to NIST. It requires user interaction and has a low confidentiality impact. The exploitability score is 2.8, indicating it is moderately easy to exploit. The vulnerability poses a potential danger for organizations using the affected products as it could result in unauthorized access and data breaches if exploited successfully.

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