CVE-2016-1789: Apple Ibooks Author

Medium severity, CVSS 5.5. EPSS: 0.9% chance of exploitation in the next 30 days.

Apple iBooks Author before 2.4.1 allows remote attackers to read arbitrary files via an iBooks Author file containing an XML external entity declaration in conjunction with an entity reference, related to an XML External Entity (XXE) issue.

Affected products

• Apple Ibooks Author: up to and including 2.4.0

Published 2016-04-05. Last modified 2026-06-17.