How severe is CVE-2015-1300?

CVE-2015-1300 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2015-1300 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-2015-1300?

CVE-2015-1300 affects Google Chrome. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-1300?

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

When was CVE-2015-1300 published?

CVE-2015-1300 was published on 2015-09-03 and last updated on 2026-06-17.

CVE-2015-1300

CVE-2015-1300 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-254.

Key facts

Severity: Medium (CVSS 2.0 base score 5.0)
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-254
Affected product: Google Chrome
Published: 2015-09-03
Last modified: 2026-06-17

Description

The FrameFetchContext::updateTimingInfoForIFrameNavigation function in core/loader/FrameFetchContext.cpp in Blink, as used in Google Chrome before 45.0.2454.85, does not properly restrict the availability of IFRAME Resource Timing API times, which allows remote attackers to obtain sensitive information via crafted JavaScript code that leverages a history.back call.

Frequently asked questions

What is CVE-2015-1300?: The FrameFetchContext::updateTimingInfoForIFrameNavigation function in core/loader/FrameFetchContext.cpp in Blink, as used in Google Chrome before 45.0.2454.85, does not properly restrict the availability of IFRAME Resource Timing API times, which allows remote attackers to obtain sensitive information via crafted JavaScript code that leverages a history.back call.
How severe is CVE-2015-1300?: CVE-2015-1300 has a CVSS 2.0 base score of 5.0, rated medium severity.
Is CVE-2015-1300 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-2015-1300?: CVE-2015-1300 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-1300?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2015-1300 published?: CVE-2015-1300 was published on 2015-09-03 and last updated on 2026-06-17.

References

Affected products (1)

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

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