CVE-2016-9263

WordPress through 4.8.2, when domain-based flashmediaelement.swf sandboxing is not used, allows remote attackers to conduct cross-domain Flash injection (XSF) attacks by leveraging code contained within the wp-includes/js/mediaelement/flashmediaelement.swf file.

• CWE-20

• http://www.securityfocus.com/bid/101294Third Party Advisory, VDB Entry
• https://opnsec.com/2017/10/cve-2016-9263-unpatched-xsf-vulnerability-in-wordpress/Mitigation, Third Party Advisory
• http://www.securityfocus.com/bid/101294Third Party Advisory, VDB Entry
• https://opnsec.com/2017/10/cve-2016-9263-unpatched-xsf-vulnerability-in-wordpress/Mitigation, Third Party Advisory

Published

Oct 12, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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