Google’s Threat Analysis Group announced a zero-day against the Zimbra Collaboration email server that has been used against governments around the world. TAG has observed four different groups exploiting the same bug to steal email data, user credentials, and authentication tokens. Most of this activity occurred after the …

Enlarge (credit: Getty Images ) Thousands of sites running the WordPress content management system have been hacked by a prolific threat actor that exploited a recently patched vulnerability in a widely used plugin. The vulnerable plugin, known as tagDiv Composer, is a mandatory requirement for using two WordPress themes: Newspaper …

Two security vulnerabilities -- one a privilege-escalation problem and the other a stored XSS bug -- afflict a WordPress plugin with 40,000 installs. [...]