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-Or

medium Affects WordPress core. Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

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-Or

Package
WordPress core WordPress
Affected versions
<=4.5.1
Fixed in
no fix recorded
Severity
medium  CVSS 6.1
Exploitation
not on CISA KEV · EPSS 6% (93.3th percentile)
Published
2016-05-22
Source
nvd

References

CWE-79
NVD recordWordPress core advisories

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