How severe is CVE-2013-6636?

CVE-2013-6636 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2013-6636 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-6636?

CVE-2013-6636 primarily affects Google Chrome. In total, 58 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-6636?

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

When was CVE-2013-6636 published?

CVE-2013-6636 was published on 2013-12-07 and last updated on 2026-06-17.

CVE-2013-6636

CVE-2013-6636 is a medium-severity vulnerability in Google Chrome 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: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Google Chrome
Published: 2013-12-07
Last modified: 2026-06-17

Description

The FrameLoader::notifyIfInitialDocumentAccessed function in core/loader/FrameLoader.cpp in Blink, as used in Google Chrome before 31.0.1650.63, makes an incorrect check for an empty document during presentation of a modal dialog, which allows remote attackers to spoof the address bar via vectors involving the document.write method.

Frequently asked questions

What is CVE-2013-6636?: The FrameLoader::notifyIfInitialDocumentAccessed function in core/loader/FrameLoader.cpp in Blink, as used in Google Chrome before 31.0.1650.63, makes an incorrect check for an empty document during presentation of a modal dialog, which allows remote attackers to spoof the address bar via vectors involving the document.write method.
How severe is CVE-2013-6636?: CVE-2013-6636 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2013-6636 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-6636?: CVE-2013-6636 primarily affects Google Chrome. In total, 58 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-6636?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-6636 published?: CVE-2013-6636 was published on 2013-12-07 and last updated on 2026-06-17.

References

Affected products (58)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.0:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.2:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.3:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.4:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.5:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.6:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.7:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.8:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.9:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.10:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.11:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.12:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.13:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.14:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.15:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.16:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.17:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.18:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.19:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.20:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.22:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.23:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.25:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.26:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.27:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.28:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.29:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.30:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.31:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.32:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.33:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.34:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.35:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.36:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.37:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.38:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.39:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.41:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:31.0.1650.42:*:*:*:*:*:*:*

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