CVE-2016-1789 — 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

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MEDIUM

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

Published Apr 5, 2016

5.5

MEDIUM

CVSS 3.0

EPSS 0.94%

Description

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

Remediation

No remediation recorded yet.

Metrics

0.94% 0.00939

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.00939

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (10 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	0.94% (0.00939)	59.49th	v5 (v2026.06.15)
Jun 15, 2026	0.94% (0.00939)	56.11th	v5 (v2026.06.15)
Mar 17, 2025	0.33% (0.00327)	53.45th	v4 (v2025.03.14)
Dec 12, 2024	0.23% (0.00232)	62.18th	v3 (v2023.03.01)
Jun 21, 2024	0.23% (0.00232)	61.52th	v3 (v2023.03.01)
Mar 7, 2023	0.23% (0.00232)	59.51th	v3 (v2023.03.01)
Mar 6, 2023	1.05% (0.01055)	52.13th	v2 (v2022.01.01)
Sep 17, 2022	1.05% (0.01055)	50.47th	v2 (v2022.01.01)
Apr 1, 2022	1.05% (0.01055)	48.43th	v2 (v2022.01.01)
Feb 4, 2022	1.05% (0.01055)	27.52th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (2)

http://lists.apple.com/archives/security-announce/2016/Mar/msg00008.html
vendor-advisoryx_refsource_APPLE
https://support.apple.com/kb/HT206224
x_refsource_CONFIRMVendor Advisory

Link	Providers	Tags
http://lists.apple.com/archives/security-announce/2016/Mar/msg00008.html		vendor-advisoryx_refsource_APPLE
https://support.apple.com/kb/HT206224		x_refsource_CONFIRMVendor Advisory

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner apple

Published Apr 5, 2016

Updated Aug 5, 2024

Reserved Jan 13, 2016

Link CVE-2016-1789

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2016-1789

Red Hat

Severity n/a

Public date n/a

Links CVE-2016-1789