CVE-2020-9843: Input Validation
An input validation issue was addressed with improved input validation. This issue is fixed in iOS 13.5 and iPadOS 13.5, tvOS 13.4.5, watchOS 6.2.5, Safari 13.1.1, iTunes 12.10.7 for Windows, iCloud for Windows 11.2, iCloud for Windows 7.19. Processing maliciously crafted web content may lead to a cross site scripting attack.
Other sources
An input validation issue was found in wekitgtk. Processing maliciously crafted web content may lead to a cross site scripting attack. Versions affected: WebKitGTK before 2.28.3 and WPE WebKit before 2.28.3.
— Red Hat
WebKit. An input validation issue was addressed with improved input validation.
Credit
Affected Software
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2020-9827
- CVE-2020-9842
- CVE-2020-9815
- CVE-2020-9791
- CVE-2020-9829
- CVE-2020-9816
- CVE-2020-3878
- CVE-2020-9789
- CVE-2020-9790
- CVE-2020-9837
- CVE-2020-9821
- CVE-2020-9797
- CVE-2020-9852
- CVE-2020-9795
- CVE-2020-9808
- CVE-2020-9811
- CVE-2020-9812
- CVE-2020-9813
- CVE-2020-9814
- CVE-2020-9809
- CVE-2020-9994
- CVE-2014-9512
- CVE-2020-9854
- CVE-2020-9794
- CVE-2020-9839
- CVE-2020-9805
- CVE-2020-9802
- CVE-2020-9850
- CVE-2020-9843
- CVE-2020-9803
- CVE-2020-9806
- CVE-2020-9807
- CVE-2020-9800
- CVE-2019-20503
- CVE-2020-9819
- CVE-2020-9818
- CVE-2020-9801
- CVE-2020-9826
- CVE-2020-6616
- CVE-2020-9838
- CVE-2020-9835
- CVE-2020-9820
- CVE-2020-9823
- CVE-2020-9848
- CVE-2020-9825
- CVE-2020-9792
- CVE-2020-9844
- CVE-2020-9830
Frequently Asked Questions
What is CVE-2020-9843?
CVE-2020-9843 is a vulnerability in WebKit that allows for an input validation issue.
What is the severity of CVE-2020-9843?
The severity of CVE-2020-9843 is not specified.
Which software versions are affected by CVE-2020-9843?
CVE-2020-9843 affects Apple Safari 13.1.1, Apple iOS up to 13.5, Apple iPadOS up to 13.5, Apple watchOS up to 6.2.5, Apple tvOS up to 13.4.5, Apple iTunes for Windows up to 12.10.7, and Apple iCloud for Windows up to 11.2.
How do I fix CVE-2020-9843?
To fix CVE-2020-9843, update to Apple Safari 13.1.1 or the latest versions of Apple iOS, iPadOS, watchOS, tvOS, iTunes for Windows, and iCloud for Windows.
Where can I find more information about CVE-2020-9843?
You can find more information about CVE-2020-9843 on the following references: [Reference 1](https://support.apple.com/en-us/HT211175), [Reference 2](https://support.apple.com/en-us/HT211168), [Reference 3](https://support.apple.com/en-us/HT211171).