CVE-2011-3956

CVE-2011-3956 is a medium-severity vulnerability in Google Chrome with a CVSS 2.0 base score of 6.8. 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-346.

Key facts

Description

The extension implementation in Google Chrome before 17.0.963.46 does not properly handle sandboxed origins, which might allow remote attackers to bypass the Same Origin Policy via a crafted extension.

Frequently asked questions

What is CVE-2011-3956?
The extension implementation in Google Chrome before 17.0.963.46 does not properly handle sandboxed origins, which might allow remote attackers to bypass the Same Origin Policy via a crafted extension.
How severe is CVE-2011-3956?
CVE-2011-3956 has a CVSS 2.0 base score of 6.8, rated medium severity.
Is CVE-2011-3956 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-3956?
CVE-2011-3956 affects Google Chrome. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2011-3956?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-3956 published?
CVE-2011-3956 was published on 2012-02-09 and last updated on 2026-06-16.

References

Affected products (1)

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