UNKNOWNKNOWN EXPLOITED

CVE-2021-1879

Apple iOS, iPadOS, and watchOS WebKit Cross-Site Scripting (XSS) Vulnerability

Published: 2021-11-03
Modified: 2026-07-31
Sources: cisa-kev

Summary

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.

References

https://www.cisa.gov/known-exploited-vulnerabilities-catalog

Includes data from the CISA Known Exploited Vulnerabilities catalog.

CVE® is a registered trademark of The MITRE Corporation. CVE content reproduced under the CVE Terms of Use; copyright designation © MITRE.