CVE Watch—

CVE-2021-1879

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

CVSS

—

Sin CVSS

EPSS

7.1%

p94

KEV

SÍ

3 nov 2021

Exploit Today

0-100

Publicado: — · Última mod.: —

EPSS · 30d

7.1%EPSS · 30 días7.1%

2026-09-172026-10-15

Ficha del catálogo KEV

Producto

Apple / iOS, iPadOS, and watchOS

Vulnerabilidad

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

Añadido a KEV

3 nov 2021

Remediar antes de

17 nov 2021

Uso conocido en ransomware

Descripción resumida

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.

Acción requerida

Apply updates per vendor instructions.

Notas

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

CVEs relacionados

CVECVSSEPSSKEVRExplotTítuloVis.

CVE-2023-41061—

91.2%

KEV—77Apple iOS, iPadOS, and watchOS Wallet Code Execution Vulnerability—CVE-2020-9818—

82.9%

KEV—75Apple iOS, iPadOS, and watchOS Out-of-Bounds Write Vulnerability—CVE-2020-9819—

82.0%

KEV—75Apple iOS, iPadOS, and watchOS Memory Corruption Vulnerability—