Security Advisory

CVE-2023-4581

4.3
MEDIUM

Vulnerability Description

Excel `.xll` add-in files did not have a blocklist entry in Firefox's executable blocklist which allowed them to be downloaded without any warning of their potential harm. This vulnerability affects Firefox < 117, Firefox ESR < 102.15, Firefox ESR < 115.2, Thunderbird < 102.15, and Thunderbird < 115.2.
Published Date September 11, 2023
Official Source NIST NVD Advisory