How severe is CVE-2016-4585?

CVE-2016-4585 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-2016-4585 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-4585?

CVE-2016-4585 affects Apple Webkit. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2016-4585?

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

When was CVE-2016-4585 published?

CVE-2016-4585 was published on 2016-07-22 and last updated on 2026-06-17.

CVE-2016-4585

CVE-2016-4585 is a medium-severity vulnerability in Apple Webkit 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: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Apple Webkit
Published: 2016-07-22
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in the WebKit Page Loading implementation in Apple iOS before 9.3.3, Safari before 9.1.2, and tvOS before 9.2.2 allows remote attackers to inject arbitrary web script or HTML via an HTTP response specifying redirection that is mishandled by Safari.

Frequently asked questions

What is CVE-2016-4585?: Cross-site scripting (XSS) vulnerability in the WebKit Page Loading implementation in Apple iOS before 9.3.3, Safari before 9.1.2, and tvOS before 9.2.2 allows remote attackers to inject arbitrary web script or HTML via an HTTP response specifying redirection that is mishandled by Safari.
How severe is CVE-2016-4585?: CVE-2016-4585 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-2016-4585 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-4585?: CVE-2016-4585 affects Apple Webkit. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2016-4585?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-4585 published?: CVE-2016-4585 was published on 2016-07-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:apple:webkit:*:*:*:*:*:*:*:*

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