CVE-2016-9263
wordpress - security update
4.7
MEDIUM
CVSS 3.1
EPSS 1.2%
Description
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.
How to fix CVE-2016-9263
To remediate CVE-2016-9263, upgrade the affected package to a fixed version below.
- Debian/wordpress—upgrade to 4.1+dfsg-1 or later
- —upgrade to 3.6.1+dfsg-1~deb7u17 or later
Is CVE-2016-9263 being exploited?
Low — EPSS is 1.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.1+dfsg-1
- from 0, < 3.6.1+dfsg-1~deb7u17
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM4.7 | CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N |