How severe is CVE-2013-2866?

CVE-2013-2866 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2013-2866 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-2013-2866?

CVE-2013-2866 primarily affects Google Chrome. In total, 88 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-2866?

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

When was CVE-2013-2866 published?

CVE-2013-2866 was published on 2013-06-19 and last updated on 2026-06-16.

CVE-2013-2866

CVE-2013-2866 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-264.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Google Chrome
Published: 2013-06-19
Last modified: 2026-06-16

Description

The Flash plug-in in Google Chrome before 27.0.1453.116, as used on Google Chrome OS before 27.0.1453.116 and separately, does not properly determine whether a user wishes to permit camera or microphone access by a Flash application, which allows remote attackers to obtain sensitive information from a machine's physical environment via a clickjacking attack, as demonstrated by an attack using a crafted Cascading Style Sheets (CSS) opacity property.

Frequently asked questions

What is CVE-2013-2866?: The Flash plug-in in Google Chrome before 27.0.1453.116, as used on Google Chrome OS before 27.0.1453.116 and separately, does not properly determine whether a user wishes to permit camera or microphone access by a Flash application, which allows remote attackers to obtain sensitive information from a machine's physical environment via a clickjacking attack, as demonstrated by an attack using a crafted Cascading Style Sheets (CSS) opacity property.
How severe is CVE-2013-2866?: CVE-2013-2866 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2013-2866 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-2013-2866?: CVE-2013-2866 primarily affects Google Chrome. In total, 88 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-2866?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-2866 published?: CVE-2013-2866 was published on 2013-06-19 and last updated on 2026-06-16.

References

Affected products (88)

cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.0:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.1:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.2:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.3:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.4:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.5:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.6:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.7:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.8:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.9:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.10:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.11:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.12:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.13:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.15:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.34:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.35:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.36:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.37:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.38:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.39:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.40:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.41:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.42:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.43:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.44:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.45:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.46:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.47:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.49:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.50:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.51:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.52:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.54:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.55:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.56:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.57:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.58:*:*:*:*:*:*:*
cpe:2.3:a:google:chrome:27.0.1453.59:*:*:*:*:*:*:*

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