Hackers exploited Zimbra flaw as zero-day using iCalendar files

Researchers monitoring for larger .ICS calendar attachments found that a flaw in Zimbra Collaboration Suite (ZCS) was used in ...
The Hacker News

Zimbra Zero-Day Exploited to Target Brazilian Military via Malicious ICS Files

"When a user views an e-mail message containing a malicious ICS entry, its embedded JavaScript executes via an ontoggle event ...
Cyber Daily

CISA adds Zimbra Collaboration Suite bug to known exploited vulnerability catalogue

The new vulnerability, CVE-2025-27915, is a cross-site scripting (XSS) vulnerability in the classic web client of the Zimbra Collaboration Suite, thanks to insufficient sanitisation of HTML content in ...
Techlicious

How to add an iCal event (.ics file) to your Google calendar

If you’re a Google Calendar user, you may have had issues adding events to your calendar when someone sends them to you attached to an email in iCal format (the files usually looks like “invite.ics”).
TWCN Tech News

How to Import iCal into Google & Outlook Calendar

Can I Import an ICS file into Google Calendar? To import a .ics or iCalender file to your Google Calendar, open Google Calendar Settings and navigate to Import & export tab. Next, select the .ics file ...