CVE-2019-8674

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: 2019-12-18 · updated 2026-06-17
Weakness: CWE-79

Description

A logic issue was addressed with improved state management. This issue is fixed in iOS 13, Safari 13. Processing maliciously crafted web content may lead to universal cross site scripting.

Affected products

Apple Iphone Os: before 13.0 — fixed in 13.0
Apple Safari: before 13 — fixed in 13
Webkit: before 2.26.4 — fixed in 2.26.4

How to fix

Upgrade to a fixed version: Apple Iphone Os 13.0; Apple Safari 13; Webkit 2.26.4. Check the vendor advisory for mitigations.

References

https://security.gentoo.org/glsa/202003-22
https://support.apple.com/HT210606
https://support.apple.com/HT210608
https://security.gentoo.org/glsa/202003-22
https://support.apple.com/HT210606
https://support.apple.com/HT210608

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