How severe is CVE-2015-6759?

CVE-2015-6759 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2015-6759 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-6759?

CVE-2015-6759 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-6759?

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

When was CVE-2015-6759 published?

CVE-2015-6759 was published on 2015-10-15 and last updated on 2026-06-17.

CVE-2015-6759

CVE-2015-6759 is a medium-severity vulnerability in Google Chrome 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-200.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Google Chrome
Published: 2015-10-15
Last modified: 2026-06-17

Description

The shouldTreatAsUniqueOrigin function in platform/weborigin/SecurityOrigin.cpp in Blink, as used in Google Chrome before 46.0.2490.71, does not ensure that the origin of a LocalStorage resource is considered unique, which allows remote attackers to obtain sensitive information via vectors involving a blob: URL.

Frequently asked questions

What is CVE-2015-6759?: The shouldTreatAsUniqueOrigin function in platform/weborigin/SecurityOrigin.cpp in Blink, as used in Google Chrome before 46.0.2490.71, does not ensure that the origin of a LocalStorage resource is considered unique, which allows remote attackers to obtain sensitive information via vectors involving a blob: URL.
How severe is CVE-2015-6759?: CVE-2015-6759 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2015-6759 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-6759?: CVE-2015-6759 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-6759?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-6759 published?: CVE-2015-6759 was published on 2015-10-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*

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