SB2021032633 - Universal XSS in Apple watchOS

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Main Vulnerability Database SB2021032633

SB2021032633 - Universal XSS in Apple watchOS

Published: March 26, 2021 Updated: October 12, 2021

Security Bulletin ID SB2021032633
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Universal cross-site scripting (CVE-ID: CVE-2021-1879)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data within the WebKit engine. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of arbitrary website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Note, the vulnerability is being actively exploited in the wild.


Remediation

Install update from vendor's website.

References