Description
The default configuration of SWFUpload in WordPress before 3.5.2 has an unrestrictive security.allowDomain setting, which allows remote attackers to bypass the Same Origin Policy and conduct cross-site scripting (XSS) attacks via a crafted web site.
Remediation
References
Related Vulnerabilities
TYPO3 URL Redirection to Untrusted Site ('Open Redirect') Vulnerability (CVE-2010-3669)
WordPress Plugin WordPress File Upload Arbitrary File Upload (3.8.5)
WordPress Plugin Social Media Share Buttons & Social Sharing Icons Cross-Site Scripting (1.1.1.11)
Django Unrestricted Upload of File with Dangerous Type Vulnerability (CVE-2021-31542)