What’s Vulnerable › Vulnerabilities

CVE-2019-8753

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% 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-79

Description

This issue was addressed with improved checks. This issue is fixed in macOS Catalina 10.15, watchOS 6, iOS 13, tvOS 13. Processing maliciously crafted web content may lead to a cross site scripting attack.

Affected products

• Apple Iphone Os: before 13.1 — fixed in 13.1
• macOS: before 10.15 — fixed in 10.15
• Apple tvOS: before 13 — fixed in 13
• Apple watchOS: before 6.0 — fixed in 6.0

How to fix

Upgrade to a fixed version: Apple Iphone Os 13.1; macOS 10.15; Apple tvOS 13; Apple watchOS 6.0. Check the vendor advisory for mitigations.

References

• https://support.apple.com/en-us/HT210604
• https://support.apple.com/en-us/HT210606
• https://support.apple.com/en-us/HT210607
• https://support.apple.com/en-us/HT210634
• https://support.apple.com/en-us/HT210604
• https://support.apple.com/en-us/HT210606
• https://support.apple.com/en-us/HT210607
• https://support.apple.com/en-us/HT210634

Get alerted when CVE-2019-8753 or the next vulnerability affects your stack