CVE-2016-4566

6.1 mediumEPSS 6.0%

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.

Severity

CVSS 3.0

6.1 medium

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS: 6.0% chance of exploitation in the next 30 days; higher than 93% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2016-05-22
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

plupload:plupload
wordpress:wordpress

References

http://www.openwall.com/lists/oss-security/2016/05/07/2
http://www.plupload.com/punbb/viewtopic.php?pid=28690
http://www.securitytracker.com/id/1035818
https://codex.wordpress.org/Version_4.5.2
https://core.trac.wordpress.org/changeset/37382/

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