CVE-2018-4345
A cross-site scripting issue existed in Safari. This issue was addressed with improved URL...
6.1 MediumFix available
A cross-site scripting issue existed in Safari. This issue was addressed with improved URL validation. This issue affected versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
1.47%Down 0.6 points since Apr 14, 2021
What each source reports
NVD Score used
A cross-site scripting issue existed in Safari. This issue was addressed with improved URL validation. This issue affected versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.
- Record
CVE-2018-4345- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
A cross-site scripting issue existed in Safari. This issue was addressed with improved URL validation. This issue affected versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.
- Record
CVE-2018-4345- Updated
- 2026-11-02
EUVDEUVD-2018-16131 No score
A cross-site scripting issue existed in Safari. This issue was addressed with improved URL validation. This issue affected versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.
- Record
EUVD-2018-16131- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q7hf-3236-w3r3
A cross-site scripting issue existed in Safari. This issue was addressed with improved URL...
A cross-site scripting issue existed in Safari. This issue was addressed with improved URL validation. This issue affected versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.
- Record
GHSA-q7hf-3236-w3r3- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
A cross-site scripting issue existed in Safari. This issue was addressed with improved URL validation. This issue affected versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.
- Record
CVE-2018-4345- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVDEBIAN-CVE-2018-4345
A cross-site scripting issue existed in Safari. This issue was addressed with improved URL validation. This issue affected versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.
- Record
DEBIAN-CVE-2018-4345- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
Show 6 moreShow less
OSVUBUNTU-CVE-2018-4345
A cross-site scripting issue existed in Safari. This issue was addressed with improved URL validation. This issue affected versions prior to iOS 12, tvOS 12, Safari 12, iTunes 12.9 for Windows, iCloud for Windows 7.7.
- Record
UBUNTU-CVE-2018-4345- CVSS 3.0
- 6.1 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVopenSUSE-SU-2019:0081-1 No score
Security update for webkit2gtk3
This update for webkit2gtk3 to version 2.22.5 fixes the following issues:
Security issues fixed:
- CVE-2018-4372, CVE-2018-4345, CVE-2018-4386, CVE-2018-4375, CVE-2018-4376, CVE-2018-4378, CVE-2018-4382, CVE-2018-4392, CVE-2018-4416, CVE-2018-4191, CVE-2018-4197, CVE-2018-4299, CVE-2018-4306, CVE-2018-4309, CVE-2018-4312, CVE-2018-4314, CVE-2018-4315, CVE-2018-4316, CVE-2018-4317, CVE-2018-4318, CVE-2018-4319, CVE-2018-4323, CVE-2018-4328, CVE-2018-4358, CVE-2018-4359, CVE-2018-4361, CVE-2018-4373, CVE-2018-4162, CVE-2018-4163, CVE-2018-4165, CVE-2018-11713, CVE-2018-4207, CVE-2018-4208, CVE-2018-4209, CVE-2018-4210, CVE-2018-4212, CVE-2018-4213, CVE-2018-4437, CVE-2018-4438, CVE-2018-4441, CVE-2018-4442, CVE-2018-4443, CVE-2018-4464 (bsc#1119558, bsc#1116998, bsc#1110279)
This update was imported from the SUSE:SLE-15:Update update project.
- Record
openSUSE-SU-2019:0081-1- Updated
- 2026-11-02
OSVopenSUSE-SU-2024:11506-1 No score
libjavascriptcoregtk-4_0-18-2.32.4-1.1 on GA media
These are all security issues fixed in the libjavascriptcoregtk-4_0-18-2.32.4-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2024:11506-1- Updated
- 2026-11-02
OSVSUSE-SU-2019:0059-1 No score
Security update for webkit2gtk3
This update for webkit2gtk3 to version 2.22.4 fixes the following issues:
Security issues fixed:
CVE-2018-4191, CVE-2018-4197, CVE-2018-4299, CVE-2018-4306, CVE-2018-4309, CVE-2018-4392, CVE-2018-4312, CVE-2018-4314, CVE-2018-4315, CVE-2018-4316, CVE-2018-4317, CVE-2018-4318, CVE-2018-4319, CVE-2018-4323, CVE-2018-4328, CVE-2018-4358, CVE-2018-4359, CVE-2018-4361, CVE-2018-4345, CVE-2018-4372, CVE-2018-4373, CVE-2018-4375, CVE-2018-4376, CVE-2018-4416, CVE-2018-4378, CVE-2018-4382, CVE-2018-4386 (bsc#1110279, bsc#1116998).
- Record
SUSE-SU-2019:0059-1- Updated
- 2026-11-02
OSVSUSE-SU-2019:0092-1 No score
Security update for webkit2gtk3
This update for webkit2gtk3 to version 2.22.5 fixes the following issues:
Security issues fixed:
- CVE-2018-4372, CVE-2018-4345, CVE-2018-4386, CVE-2018-4375, CVE-2018-4376, CVE-2018-4378, CVE-2018-4382, CVE-2018-4392, CVE-2018-4416, CVE-2018-4191, CVE-2018-4197, CVE-2018-4299, CVE-2018-4306, CVE-2018-4309, CVE-2018-4312, CVE-2018-4314, CVE-2018-4315, CVE-2018-4316, CVE-2018-4317, CVE-2018-4318, CVE-2018-4319, CVE-2018-4323, CVE-2018-4328, CVE-2018-4358, CVE-2018-4359, CVE-2018-4361, CVE-2018-4373, CVE-2018-4162, CVE-2018-4163, CVE-2018-4165, CVE-2018-11713, CVE-2018-4207, CVE-2018-4208, CVE-2018-4209, CVE-2018-4210, CVE-2018-4212, CVE-2018-4213, CVE-2018-4437, CVE-2018-4438, CVE-2018-4441, CVE-2018-4442, CVE-2018-4443, CVE-2018-4464 (bsc#1119558, bsc#1116998, bsc#1110279)
- Record
SUSE-SU-2019:0092-1- Updated
- 2026-11-02
OSVUSN-3828-1 No score
webkit2gtk vulnerabilities
A large number of security issues were discovered in the WebKitGTK+ Web and JavaScript engines. If a user were tricked into viewing a malicious website, a remote attacker could exploit a variety of issues related to web browser security, including cross-site scripting attacks, denial of service attacks, and arbitrary code execution.
- Record
USN-3828-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
webkit2gtkDebian:12 |
before 2.22.3-1 | 2.22.3-1 |
webkit2gtkDebian:13 |
before 2.22.3-1 | 2.22.3-1 |
webkit2gtkDebian:14 |
before 2.22.3-1 | 2.22.3-1 |
webkit2gtk3SUSE:OpenStack Cloud 7 From an advisory covering 45 CVEs |
before 2.22.4-2.29.3 | 2.22.4-2.29.3 |
webkit2gtk3SUSE:Linux Enterprise Desktop 12 SP3 From an advisory covering 45 CVEs |
before 2.22.4-2.29.3 | 2.22.4-2.29.3 |
webkit2gtk3SUSE:Linux Enterprise Desktop 12 SP4 From an advisory covering 45 CVEs |
before 2.22.4-2.29.3 | 2.22.4-2.29.3 |
webkit2gtk3SUSE:Linux Enterprise Server for SAP Applications 12 SP2 From an advisory covering 45 CVEs |
before 2.22.4-2.29.3 | 2.22.4-2.29.3 |
webkit2gtk3SUSE:Linux Enterprise Software Development Kit 12 SP3 From an advisory covering 45 CVEs |
before 2.22.4-2.29.3 | 2.22.4-2.29.3 |
webkit2gtk3SUSE:Linux Enterprise Software Development Kit 12 SP4 From an advisory covering 45 CVEs |
before 2.22.4-2.29.3 | 2.22.4-2.29.3 |
webkit2gtk3SUSE:Linux Enterprise Server 12 SP2-LTSS From an advisory covering 45 CVEs |
before 2.22.4-2.29.3 | 2.22.4-2.29.3 |
Show 24 moreShow less
| Package | Affected | Fixed |
|---|---|---|
webkit2gtk3SUSE:Linux Enterprise Server 12 SP2-BCL From an advisory covering 45 CVEs |
before 2.22.4-2.29.3 | 2.22.4-2.29.3 |
webkit2gtk3SUSE:Linux Enterprise Server 12 SP3 From an advisory covering 45 CVEs |
before 2.22.4-2.29.3 | 2.22.4-2.29.3 |
webkit2gtk3SUSE:Linux Enterprise Server for SAP Applications 12 SP3 From an advisory covering 45 CVEs |
before 2.22.4-2.29.3 | 2.22.4-2.29.3 |
webkit2gtk3SUSE:Linux Enterprise Server 12 SP4 From an advisory covering 45 CVEs |
before 2.22.4-2.29.3 | 2.22.4-2.29.3 |
webkit2gtk3SUSE:Linux Enterprise Server for SAP Applications 12 SP4 From an advisory covering 45 CVEs |
before 2.22.4-2.29.3 | 2.22.4-2.29.3 |
webkit2gtk3SUSE:Linux Enterprise Workstation Extension 12 SP3 From an advisory covering 45 CVEs |
before 2.22.4-2.29.3 | 2.22.4-2.29.3 |
webkit2gtk3SUSE:Linux Enterprise Workstation Extension 12 SP4 From an advisory covering 45 CVEs |
before 2.22.4-2.29.3 | 2.22.4-2.29.3 |
webkit2gtk3SUSE:Enterprise Storage 4 From an advisory covering 45 CVEs |
before 2.22.4-2.29.3 | 2.22.4-2.29.3 |
webkit2gtk3SUSE:Linux Enterprise Module for Basesystem 15 From an advisory covering 43 CVEs |
before 2.22.5-3.13.1 | 2.22.5-3.13.1 |
webkit2gtk3SUSE:Linux Enterprise Module for Desktop Applications 15 From an advisory covering 43 CVEs |
before 2.22.5-3.13.1 | 2.22.5-3.13.1 |
qtwebkit-opensource-srcUbuntu:16.04:LTS |
All versions, plus listed versions 5.4.2+dfsg-1ubuntu2.15.5.1+dfsg-2ubuntu1 |
None known |
webkit2gtkUbuntu:16.04:LTS |
All versions, plus listed versions 2.8.5+dfsg1-32.10.3+dfsg1-12.10.4+dfsg1-12.10.5-12.10.6-1 Show 21 moreShow less2.10.6-1ubuntu12.10.8-1ubuntu12.10.9-1ubuntu12.12.5-0ubuntu0.16.04.12.14.2-0ubuntu0.16.04.12.14.3-0ubuntu0.16.04.12.14.5-0ubuntu0.16.04.12.16.1-0ubuntu0.16.04.12.16.1-0ubuntu0.16.04.22.16.2-0ubuntu0.16.04.12.16.3-0ubuntu0.16.04.12.16.6-0ubuntu0.16.04.12.18.0-0ubuntu0.16.04.22.18.3-0ubuntu0.16.04.12.18.4-0ubuntu0.16.04.12.18.5-0ubuntu0.16.04.12.18.6-0ubuntu0.16.04.12.20.1-0ubuntu0.16.04.12.20.2-0ubuntu0.16.04.12.20.3-0ubuntu0.16.04.12.20.5-0ubuntu0.16.04.1 |
None known |
qtwebkit-sourceUbuntu:16.04:LTS |
All versions, plus listed versions 2.3.2-0ubuntu102.3.2-0ubuntu11 |
None known |
webkitgtkUbuntu:16.04:LTS |
All versions, plus listed versions 2.4.9-2ubuntu22.4.10-0ubuntu12.4.11-0ubuntu0.1 |
None known |
webkit2gtkUbuntu:18.04:LTS |
before 2.22.4-0ubuntu0.18.04.1, plus listed versions 2.18.0-22.18.0-2build12.18.2-12.18.3-12.18.4-1 Show 12 moreShow less2.18.6-12.19.91-1ubuntu12.19.92-12.20.0-12.20.0-22.20.0-2ubuntu12.20.1-12.20.2-0ubuntu0.18.04.12.20.3-0ubuntu0.18.04.12.20.5-0ubuntu0.18.04.12.22.2-0ubuntu0.18.04.12.22.2-0ubuntu0.18.04.2 |
2.22.4-0ubuntu0.18.04.1 |
qtwebkit-opensource-srcUbuntu:18.04:LTS |
All versions, plus listed versions 5.9.1+dfsg-5ubuntu15.9.1+dfsg-5ubuntu35.212.0~alpha2-5build25.212.0~alpha2-5build45.212.0~alpha2-75.212.0~alpha2-7build25.212.0~alpha2-7ubuntu1 |
None known |
qtwebkit-sourceUbuntu:18.04:LTS |
All versions, plus listed versions 2.3.2-0ubuntu13 |
None known |
webkitgtkUbuntu:18.04:LTS |
All versions, plus listed versions 2.4.11-32.4.11-3ubuntu22.4.11-3ubuntu3 |
None known |
qtwebkit-opensource-srcUbuntu:20.04:LTS |
All versions, plus listed versions 5.212.0~alpha3-35.212.0~alpha3-55.212.0~alpha3-65.212.0~alpha3-75.212.0~alpha4-15.212.0~alpha4-1ubuntu15.212.0~alpha4-1ubuntu25.212.0~alpha4-1ubuntu2.1 |
None known |
qtwebkit-opensource-srcUbuntu:22.04:LTS |
All versions, plus listed versions 5.212.0~alpha4-125.212.0~alpha4-135.212.0~alpha4-145.212.0~alpha4-14build15.212.0~alpha4-14ubuntu25.212.0~alpha4-15ubuntu1 |
None known |
qtwebkit-opensource-srcUbuntu:24.04:LTS |
All versions, plus listed versions 5.212.0~alpha4-335.212.0~alpha4-33build15.212.0~alpha4-345.212.0~alpha4-34ubuntu35.212.0~alpha4-34ubuntu45.212.0~alpha4-36 |
None known |
webkit2gtkUbuntu:18.04:LTS From an advisory covering 3 CVEs |
before 2.22.4-0ubuntu0.18.04.1, plus listed versions 2.18.0-22.18.0-2build12.18.2-12.18.3-12.18.4-1 Show 12 moreShow less2.18.6-12.19.91-1ubuntu12.19.92-12.20.0-12.20.0-22.20.0-2ubuntu12.20.1-12.20.2-0ubuntu0.18.04.12.20.3-0ubuntu0.18.04.12.20.5-0ubuntu0.18.04.12.22.2-0ubuntu0.18.04.12.22.2-0ubuntu0.18.04.2 |
2.22.4-0ubuntu0.18.04.1 |
webkit2gtk3openSUSE:Leap 15.0 From an advisory covering 43 CVEs |
before 2.22.5-lp150.2.9.1 | 2.22.5-lp150.2.9.1 |
gtk3openSUSE:Tumbleweed From an advisory covering 126 CVEs |
before 2.32.4-1.1 | 2.32.4-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-4345 is a medium vulnerability (CVSS 6.1) in Apple Icloud, published November 22, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.47%, the 73rd percentile. Fixed in webkit2gtk 2.22.3-1.
References
support.apple.com/kb/HT209141
nvd.nist.gov/vuln/detail/CVE-2018-4345
Show 176 moreShow less
github.com/advisories/GHSA-q7hf-3236-w3r3
security-tracker.debian.org/tracker/CVE-2018-4345
suse.com/support/update/announcement/2019/suse-su-20190059-1
bugzilla.suse.com/1110279
ubuntu.com/security/CVE-2018-4345
webkitgtk.org/security/WSA-2018-0008.html
cve.org/CVERecord?id=CVE-2018-4345
lists.opensuse.org/archives/list/[email protected]/thread/N3LMCXDRCX64PDIK6OOJOXY7AAXP7POU