Threat intelligence report · CISA KEV

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

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.

· high severity · unattributed attribution

Evidence and provenance

Original source
CISA KEV report ↗
Published
2021-11-03T00:00:00Z
Confidence basis
No actor match
Record ID
1e40104b5499ec5b7b8d

Vulnerabilities

CVE-2021-1879

Use and citation

Verify the original report before making operational decisions. Cite this permanent page together with the original source, publication date, confidence level, and review status.