Vulnerability Monitor

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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.

Published

2017-10-12T16:29:00.247

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 4.7 (MEDIUM)

CVSSv2 Vector

AV:N/AC:H/Au:N/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: HIGH
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

4.9

Impact Score

2.9

Weaknesses

Type: Primary
CWE-20

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	wordpress	wordpress	≤ 4.8.2	Yes

References

http://www.securityfocus.com/bid/101294 Third Party Advisory, VDB Entry ([email protected])
https://opnsec.com/2017/10/cve-2016-9263-unpatched-xsf-vulnerability-in-wordpress/ Mitigation, Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/101294 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://opnsec.com/2017/10/cve-2016-9263-unpatched-xsf-vulnerability-in-wordpress/ Mitigation, Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)