CVE-2023-4581

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...

Mozilla: XLL file extensions were downloadable without warnings

The Mozilla Foundation Security Advisory describes this flaw as: 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...

New Research Delves into the World of Malicious LNK Files and Hackers Behind Them

Cybercriminals are increasingly leveraging malicious LNK files as an initial access method to download and execute payloads such as Bumblebee, IcedID, and Qakbot. A recent study by cybersecurity experts has shown that it is possible to identify relationships between different threat actors by...