How severe is CVE-2013-6657?

CVE-2013-6657 has a CVSS 2.0 base score of 6.4, rated medium severity.

Is CVE-2013-6657 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-6657?

CVE-2013-6657 primarily affects Google Chrome. In total, 97 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-6657?

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

When was CVE-2013-6657 published?

CVE-2013-6657 was published on 2014-02-24 and last updated on 2026-06-17.

CVE-2013-6657

CVE-2013-6657 is a medium-severity vulnerability in Google Chrome with a CVSS 2.0 base score of 6.4. 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-264.

Key facts

Severity: Medium (CVSS 2.0 base score 6.4)
EPSS exploit prediction: 1% (63rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Google Chrome
Published: 2014-02-24
Last modified: 2026-06-17

Description

core/html/parser/XSSAuditor.cpp in the XSS auditor in Blink, as used in Google Chrome before 33.0.1750.117, inserts the about:blank URL during certain blocking of FORM elements within HTTP requests, which allows remote attackers to bypass the Same Origin Policy and obtain sensitive information via unspecified vectors.

Frequently asked questions

What is CVE-2013-6657?: core/html/parser/XSSAuditor.cpp in the XSS auditor in Blink, as used in Google Chrome before 33.0.1750.117, inserts the about:blank URL during certain blocking of FORM elements within HTTP requests, which allows remote attackers to bypass the Same Origin Policy and obtain sensitive information via unspecified vectors.
How severe is CVE-2013-6657?: CVE-2013-6657 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-2013-6657 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (63rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-6657?: CVE-2013-6657 primarily affects Google Chrome. In total, 97 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-6657?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-6657 published?: CVE-2013-6657 was published on 2014-02-24 and last updated on 2026-06-17.

References

Affected products (97)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.0:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.1:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.2:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.3:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.4:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.5:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.6:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.7:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.8:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.9:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.10:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.11:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.12:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.13:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.14:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.15:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.16:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.18:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.19:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.20:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.21:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.22:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.23:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.24:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.25:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.26:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.27:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.28:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.29:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.30:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.31:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.34:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.35:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.36:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.37:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.38:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.39:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.40:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:33.0.1750.41:*:*:*:*:*:*:*

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