CVE-2021-1879 — Apple iOS, iPadOS, and watchOS WebKit Cross-Site Scripting (XSS) Vulnerability

CISA KEV listed Added November 3, 2021 Remediate by November 17, 2021

Description

Apple iOS, iPadOS, and watchOS WebKit contain an unspecified vulnerability that allows for universal cross-site scripting (XSS) when processing maliciously crafted web content. This vulnerability could impact HTML parsers that use WebKit, including but not limited to Apple Safari and non-Apple products which rely on WebKit for HTML processing.

Required action

Apply updates per vendor instructions.

Notes

https://nvd.nist.gov/vuln/detail/CVE-2021-1879

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