How severe is CVE-2011-3218?

CVE-2011-3218 has a CVSS 2.0 base score of 2.6, rated low severity.

Is CVE-2011-3218 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2011-3218?

CVE-2011-3218 primarily affects Apple Mac Os X. In total, 132 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2011-3218?

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

When was CVE-2011-3218 published?

CVE-2011-3218 was published on 2011-10-14 and last updated on 2026-06-16.

CVE-2011-3218

CVE-2011-3218 is a low-severity vulnerability in Apple Mac Os X with a CVSS 2.0 base score of 2.6. 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-79.

Key facts

Severity: Low (CVSS 2.0 base score 2.6)
EPSS exploit prediction: 1% (67th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Apple Mac Os X
Published: 2011-10-14
Last modified: 2026-06-16

Description

The "Save for Web" selection in QuickTime Player in Apple Mac OS X through 10.6.8 exports HTML documents that contain an http link to a script file, which allows man-in-the-middle attackers to conduct cross-site scripting (XSS) attacks by spoofing the http server during local viewing of an exported document.

Frequently asked questions

What is CVE-2011-3218?: The "Save for Web" selection in QuickTime Player in Apple Mac OS X through 10.6.8 exports HTML documents that contain an http link to a script file, which allows man-in-the-middle attackers to conduct cross-site scripting (XSS) attacks by spoofing the http server during local viewing of an exported document.
How severe is CVE-2011-3218?: CVE-2011-3218 has a CVSS 2.0 base score of 2.6, rated low severity.
Is CVE-2011-3218 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (67th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-3218?: CVE-2011-3218 primarily affects Apple Mac Os X. In total, 132 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-3218?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2011-3218 published?: CVE-2011-3218 was published on 2011-10-14 and last updated on 2026-06-16.

References

Affected products (132)

cpe:2.3:o:apple:mac_os_x:*:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.0.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.0.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.0.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.0.3:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.0.4:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.1.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.1.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.1.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.1.3:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.1.4:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.1.5:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.2.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.2.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.2.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.2.3:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.2.4:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.2.5:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.2.6:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.2.7:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.2.8:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.3:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.3.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.3.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.3.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.3.3:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.3.4:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.3.5:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.3.6:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.3.7:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.3.8:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.3.9:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.4:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.4.0:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.4.1:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.4.2:*:*:*:*:*:*:*
cpe:2.3:o:apple:mac_os_x:10.4.3:*:*:*:*:*:*:*

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