How severe is CVE-2013-6780?

CVE-2013-6780 has a CVSS 2.0 base score of 4.3, rated medium severity.

Is CVE-2013-6780 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2013-6780?

CVE-2013-6780 primarily affects Yahoo Yui. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2013-6780?

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

When was CVE-2013-6780 published?

CVE-2013-6780 was published on 2013-11-13 and last updated on 2026-06-17.

CVE-2013-6780

CVE-2013-6780 is a medium-severity vulnerability in Yahoo Yui 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-79.

Key facts

Severity: Medium (CVSS 2.0 base score 4.3)
EPSS exploit prediction: 2% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Yahoo Yui
Published: 2013-11-13
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) vulnerability in uploader.swf in the Uploader component in Yahoo! YUI 2.5.0 through 2.9.0 allows remote attackers to inject arbitrary web script or HTML via the allowedDomain parameter.

Frequently asked questions

What is CVE-2013-6780?: Cross-site scripting (XSS) vulnerability in uploader.swf in the Uploader component in Yahoo! YUI 2.5.0 through 2.9.0 allows remote attackers to inject arbitrary web script or HTML via the allowedDomain parameter.
How severe is CVE-2013-6780?: CVE-2013-6780 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2013-6780 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2013-6780?: CVE-2013-6780 primarily affects Yahoo Yui. In total, 9 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2013-6780?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2013-6780 published?: CVE-2013-6780 was published on 2013-11-13 and last updated on 2026-06-17.

References

Affected products (9)

cpe:2.3:a:yahoo:yui:2.5.0:*:*:*:*:*:*:*
cpe:2.3:a:yahoo:yui:2.5.1:*:*:*:*:*:*:*
cpe:2.3:a:yahoo:yui:2.5.2:*:*:*:*:*:*:*
cpe:2.3:a:yahoo:yui:2.6.0:*:*:*:*:*:*:*
cpe:2.3:a:yahoo:yui:2.7.0:*:*:*:*:*:*:*
cpe:2.3:a:yahoo:yui:2.8.0:*:*:*:*:*:*:*
cpe:2.3:a:yahoo:yui:2.8.1:*:*:*:*:*:*:*
cpe:2.3:a:yahoo:yui:2.8.2:*:*:*:*:*:*:*
cpe:2.3:a:yahoo:yui:2.9.0:*:*:*:*:*:*:*

More vulnerabilities in Yahoo Yui

CVE-2013-4942 — Medium (CVSS 4.3): Cross-site scripting (XSS) vulnerability in flashuploader.swf in the Uploader component in Yahoo! YUI 3.5.0 through…
CVE-2013-4941 — Medium (CVSS 4.3): Cross-site scripting (XSS) vulnerability in uploader.swf in the Uploader component in Yahoo! YUI 3.2.0 through 3.9.1,…
CVE-2013-4940 — Medium (CVSS 4.3): Cross-site scripting (XSS) vulnerability in io.swf in the IO Utility component in Yahoo! YUI 3.10.2, as used in Moodle…
CVE-2013-4939 — Medium (CVSS 4.3): Cross-site scripting (XSS) vulnerability in io.swf in the IO Utility component in Yahoo! YUI 3.0.0 through 3.9.1, as…
CVE-2012-5883 — Medium (CVSS 4.3): Cross-site scripting (XSS) vulnerability in the Flash component infrastructure in YUI 2.8.0 through 2.9.0, as used in…
CVE-2012-5882 — Medium (CVSS 4.3): Cross-site scripting (XSS) vulnerability in the Flash component infrastructure in YUI 2.5.0 through 2.9.0 allows remote…

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