How severe is CVE-2015-3751?

CVE-2015-3751 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2015-3751 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-3751?

CVE-2015-3751 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-2015-3751?

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

When was CVE-2015-3751 published?

CVE-2015-3751 was published on 2015-08-16 and last updated on 2026-06-17.

CVE-2015-3751

CVE-2015-3751 is a medium-severity vulnerability in Apple Safari with a CVSS 2.0 base score of 5.0. 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-254.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-254
Affected product: Apple Safari
Published: 2015-08-16
Last modified: 2026-06-17

Description

WebKit in Apple Safari before 6.2.8, 7.x before 7.1.8, and 8.x before 8.0.8, as used in iOS before 8.4.1 and other products, allows remote attackers to bypass a Content Security Policy protection mechanism by using a video control in conjunction with an IMG element within an OBJECT element.

Frequently asked questions

What is CVE-2015-3751?: WebKit in Apple Safari before 6.2.8, 7.x before 7.1.8, and 8.x before 8.0.8, as used in iOS before 8.4.1 and other products, allows remote attackers to bypass a Content Security Policy protection mechanism by using a video control in conjunction with an IMG element within an OBJECT element.
How severe is CVE-2015-3751?: CVE-2015-3751 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2015-3751 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-3751?: CVE-2015-3751 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-2015-3751?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-3751 published?: CVE-2015-3751 was published on 2015-08-16 and last updated on 2026-06-17.

References

Affected products (2)

cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*

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