How severe is CVE-2015-5828?

CVE-2015-5828 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2015-5828 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-5828?

CVE-2015-5828 primarily affects Apple Safari. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2015-5828?

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

When was CVE-2015-5828 published?

CVE-2015-5828 was published on 2015-10-09 and last updated on 2026-06-17.

CVE-2015-5828

CVE-2015-5828 is a medium-severity vulnerability in Apple Safari with a CVSS 2.0 base score of 4.3. 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-20.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Apple Safari
Published: 2015-10-09
Last modified: 2026-06-17

Description

The API in the WebKit Plug-ins component in Apple Safari before 9 does not provide notification of an HTTP Redirection (aka 3xx) status code to a plugin, which allows remote attackers to bypass intended request restrictions via a crafted web site.

Frequently asked questions

What is CVE-2015-5828?: The API in the WebKit Plug-ins component in Apple Safari before 9 does not provide notification of an HTTP Redirection (aka 3xx) status code to a plugin, which allows remote attackers to bypass intended request restrictions via a crafted web site.
How severe is CVE-2015-5828?: CVE-2015-5828 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2015-5828 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-5828?: CVE-2015-5828 primarily affects Apple Safari. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2015-5828?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-5828 published?: CVE-2015-5828 was published on 2015-10-09 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*

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