CVE-2022-24682 Calendar feature was vulnerable, and was exploited in the wild starting in December 2021.

CVE-2022-24682 Calendar feature was vulnerable, and was exploited in the wild starting in December 2021.

An issue was discovered in the Calendar feature in Zimbra Collaboration Suite 8.8.x before 8.8.15 patch 30 (update 1). An attacker could manipulate HTML in an email message to place arbitrary code in the context of an email client. An issue was discovered in the Calendar feature in Zimbra Collaboration Suite 8.8.x before 8.8.15 patch 30 (update 1). An attacker could manipulate HTML in an email message to place arbitrary code in the context of an email client. An issue was discovered in the Calendar feature in Zimbra Collaboration Suite 8.8.x before 8.8.15 patch 30 (update 1) where an attacker could place HTML containing executable JavaScript that is executed by the browser. An issue was discovered in the Calendar feature in Zimbra Collaboration Suite 8.8.x before 8.8.15 patch 30 (update 1). An attacker could manipulate HTML in an email message to place arbitrary code in the context of an email client. An issue was discovered in the Calendar feature in Zimbra Collaboration Suite 8.8.x before 8.8.15 patch 30 (update 1) where an attacker could place HTML containing executable JavaScript that is executed by the browser. An issue was discovered in the Calendar feature in Zimbra Collaboration Suite 8.8.x before 8.8.15 patch 30 (update 1). An attacker could manipulate HTML in an email message to place arbitrary code

Vulnerability summary

An attacker could manipulate HTML in an email message to place arbitrary code in the context of an email client. An issue was discovered in the Calendar feature in Zimbra Collaboration Suite 8.8.x before 8.8.15 patch 30 (update 1) where an attacker could place HTML containing executable JavaScript that is executed by the browser. An issue was discovered in the Calendar feature in Zimbra Collaboration Suite 8.8.x before 8.8.15 patch 30 (update 1). An attacker could manipulate HTML in an email message to place arbitrary code in the context of an email client.

What is Zimbra?

Zimbra is a web-based and desktop email, calendar and contact collaboration solution. Zimbra Collaboration Suite is an open source software that provides features for collaboration such as shared calendars, contacts, tasks and calendaring.
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Credit Risk

An issue was discovered in the Calendar feature in Zimbra Collaboration Suite 8.8.x before 8.8.15 patch 30 (update 1). An attacker could manipulate HTML in an email message to place arbitrary code in the context of an email client. An issue was discovered in the Calendar feature in Zimbra Collaboration Suite 8.8.x before 8.8.15 patch 30 (update 1) where an attacker could place HTML containing executable JavaScript that is executed by the browser

Summary

An issue was discovered in the Calendar feature in Zimbra Collaboration Suite 8.8.x before 8.8.15 patch 30 (update 1). An attacker could manipulate HTML in an email message to place arbitrary code in the context of an email client.
An issue was discovered by a researcher that is able to place HTML containing executable JavaScript that is executed by the browser.

New Features

In addition to providing an email client, the Calendar feature in Zimbra Collaboration Server 8.8.x before 8.8.15 patch 30 (update 1) also provides a calendar for external users and internal users who do not have access to a personal calendar in their profile page. This calendar shows events from different calendars as well as events not visible in any other calendars (including the current user's calendar).

References

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