This issue was addressed by improved management of object lifetimes. This issue is fixed in iOS 12.5.2, iOS 14.4.2 and iPadOS 14.4.2, watchOS 7.3.3. Processing maliciously crafted web content may lead to universal cross site scripting. Apple is aware of a report that this issue may have been actively exploited..

Related CVEs

CVE-2021-1879

Key Information

GHSA ID

GHSA-qhqp-qw35-f96r

Published

May 24, 2022 5:46 PM

Last Modified

January 9, 2023 6:30 PM

CVSS Score

5.0 /10

Primary Ecosystem

Unknown

Primary Package

Unknown

GitHub Reviewed

✗ No

Dataset

Last updated: July 27, 2025 6:35 AM

Data from GitHub Advisory Database. This information is provided for research and educational purposes.