What’s Vulnerable › Vulnerabilities

CVE-2019-8771

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-10-27 · updated 2026-06-17
• Weakness: CWE-1021

Description

This issue was addressed with improved iframe sandbox enforcement. This issue is fixed in Safari 13.0.1, iOS 13. Maliciously crafted web content may violate iframe sandboxing policy.

Affected products

• Apple Iphone Os: before 13.0. — fixed in 13.0.
• Apple Safari: before 13.0.1 — fixed in 13.0.1

How to fix

Upgrade to a fixed version: Apple Iphone Os 13.0.; Apple Safari 13.0.1. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT210605
• https://support.apple.com/en-us/HT210606
• https://support.apple.com/en-us/HT210605
• https://support.apple.com/en-us/HT210606

Get alerted when CVE-2019-8771 or the next vulnerability affects your stack