# CVE-2018-4309: iTunes: A cross-site scripting issue existed in Safari.

CVE-2018-4309 is fixed in 8 products on 2 platforms, first by gir1.2-javascriptcoregtk-4.0 2.22.2-0ubuntu0.18.04.1, released April 3, 2019. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-4309
- Priority: Routine
- CVSS: 6.1 (Medium)
- EPSS: 0.0148
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 27, 2018
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2018-4309

## Description

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.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | iTunes | 12.11.4.15 | [iTunes 12.11.4.15](https://patchblox.com/security/data/fix/windows-app/apple.itunes-12.11.4.15.md) | Aug 4, 2021 |
| Linux | gir1.2-javascriptcoregtk-4.0 Ubuntu 18.04.6 LTS (bionic) | 2.22.2-0ubuntu0.18.04.1 | [gir1.2-javascriptcoregtk-4.0 2.22.2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gir1.2-javascriptcoregtk-4.0-2.22.2-0ubuntu0.18.04.1.md) | Apr 3, 2019 |
| Linux | gir1.2-webkit2-4.0 Ubuntu 18.04.6 LTS (bionic) | 2.22.2-0ubuntu0.18.04.1 | [gir1.2-webkit2-4.0 2.22.2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gir1.2-webkit2-4.0-2.22.2-0ubuntu0.18.04.1.md) | Apr 3, 2019 |
| Linux | libjavascriptcoregtk-4.0-18 Ubuntu 18.04.6 LTS (bionic) | 2.22.2-0ubuntu0.18.04.1 | [libjavascriptcoregtk-4.0-18 2.22.2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libjavascriptcoregtk-4.0-18-2.22.2-0ubuntu0.18.04.1.md) | Apr 3, 2019 |
| Linux | libjavascriptcoregtk-4.0-bin Ubuntu 18.04.6 LTS (bionic) | 2.22.2-0ubuntu0.18.04.1 | [libjavascriptcoregtk-4.0-bin 2.22.2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libjavascriptcoregtk-4.0-bin-2.22.2-0ubuntu0.18.04.1.md) | Apr 3, 2019 |
| Linux | libwebkit2gtk-4.0-37 Ubuntu 18.04.6 LTS (bionic) | 2.22.2-0ubuntu0.18.04.1 | [libwebkit2gtk-4.0-37 2.22.2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwebkit2gtk-4.0-37-2.22.2-0ubuntu0.18.04.1.md) | Apr 3, 2019 |
| Linux | libwebkit2gtk-4.0-37-gtk2 Ubuntu 18.04.6 LTS (bionic) | 2.22.2-0ubuntu0.18.04.1 | [libwebkit2gtk-4.0-37-gtk2 2.22.2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libwebkit2gtk-4.0-37-gtk2-2.22.2-0ubuntu0.18.04.1.md) | Apr 3, 2019 |
| Linux | webkit2gtk-driver Ubuntu 18.04.6 LTS (bionic) | 2.22.2-0ubuntu0.18.04.1 | [webkit2gtk-driver 2.22.2-0ubuntu0.18.04.1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-webkit2gtk-driver-2.22.2-0ubuntu0.18.04.1.md) | Apr 3, 2019 |

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Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo