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WordPress core

CVE-2016-4566

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
Medium 6.1
Published
22 May 2016
Last changed
17 Jun 2026
Added to UpHeron
17 Oct 2026
Sources
NVD

Affected software

SoftwareAffected versions
WordPressWordPress core · cpe:a:wordpress:wordpress
  • Every version up to 4.5.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2016-4566
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2016-4566