How severe is CVE-2019-8753?

CVE-2019-8753 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-8753 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-8753?

CVE-2019-8753 primarily affects Apple Iphone Os. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-8753?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-8753 published?

CVE-2019-8753 was published on 2020-10-27 and last updated on 2026-06-17.

CVE-2019-8753

CVE-2019-8753 is a medium-severity vulnerability in Apple Iphone Os with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Apple Iphone Os
Published: 2020-10-27
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2019-8753?: 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.
How severe is CVE-2019-8753?: CVE-2019-8753 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-8753 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-8753?: CVE-2019-8753 primarily affects Apple Iphone Os. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-8753?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-8753 published?: CVE-2019-8753 was published on 2020-10-27 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*

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