CVE-2021-1879 — Apple iOS, iPadOS, and watchOS WebKit Cross-Site Scripting (XSS) Vulnerability
CVE-2021-1879: Apple iOS, iPadOS, and watchOS WebKit Cross-Site Scripting (XSS) Vulnerability
CISA Known Exploited Vulnerability (KEV)
| Vendor / project | Apple |
| Product | iOS, iPadOS, and watchOS |
| Date added | 2021-11-03 |
| Due date | 2021-11-17 |
| Ransomware campaign use | Unknown |
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 (CISA)
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2021-1879
References
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2021-1879
- KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog