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)…

PriorityP422medium4.7CVSS 3.0

AVNACHPRNUIRSCCLILAN

EPSS

2.55%

83.2th percentile

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.

Affected

6 ranges

Vendor	Product	Version range	Fixed in
debian	wordpress	< wordpress 4.1+dfsg-1 (bookworm)	wordpress 4.1+dfsg-1 (bookworm)
wordpress	wordpress	<= 4.8.2	—
wordpress	wordpress	>= 0 < 4.1+dfsg-1	4.1+dfsg-1
wordpress	wordpress	>= 0 < 4.1+dfsg-1	4.1+dfsg-1
wordpress	wordpress	>= 0 < 4.1+dfsg-1	4.1+dfsg-1
wordpress	wordpress	>= 0 < 4.1+dfsg-1	4.1+dfsg-1

CVSS provenance

nvdv3.04.7MEDIUMCVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

nvdv2.02.6LOWAV:N/AC:H/Au:N/C:N/I:P/A:N

osv4.7MEDIUM

vendor_debian4.7MEDIUM

Stop checking back — get the weekly exploitation signal.

Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.