CVE-2016-4566

Description

Cross-site scripting (XSS) vulnerability in plupload.flash.swf in Plupload before 2.1.9, as used in WordPress before 4.5.2, allows remote attackers to inject arbitrary web script or HTML via a Same-Origin Method Execution (SOME) attack.

Category

6.1
CVSS
Severity: Medium
CVSS 3.0 •
CVSS 2.0 •
EPSS 5.67% Top 15%
Vendor Advisory plupload.com Vendor Advisory wordpress.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://core.trac.wordpress.org/changeset/37382/ patch
http://www.openwall.com/lists/oss-security/2016/05/07/2 mailing list
http://www.plupload.com/punbb/viewtopic.php?pid=28690 vendor advisory
https://wpvulndb.com/vulnerabilities/8489 third party advisory
https://codex.wordpress.org/Version_4.5.2 patch
http://www.securitytracker.com/id/1035818 third party advisory vdb entry
https://wordpress.org/news/2016/05/wordpress-4-5-2/ patch vendor advisory
https://gist.github.com/cure53/09a81530a44f6b8173f545accc9ed07e third party advisory

Frequently Asked Questions

What is the severity of CVE-2016-4566?
CVE-2016-4566 has been scored as a medium severity vulnerability.
How to fix CVE-2016-4566?
To fix CVE-2016-4566, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2016-4566 being actively exploited in the wild?
It is possible that CVE-2016-4566 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~6% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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