Tag Archives: Zero-Day Vulnerability

Winter Vivern Exploits Zero-Day Vulnerability in Roundcube Webmail Servers to Target European Governments

(IN BRIEF) ESET researchers have uncovered Winter Vivern’s exploitation of a zero-day XSS (Cross-Site Scripting) vulnerability in the Roundcube Webmail server. The cyberespionage group targeted Roundcube Webmail servers of governmental entities and a think tank in Europe, compromising email systems. … Read the full press release