PT-2017-10032 · WordPress · Wordpress

Opnsec · Published 2017-10-12 · Updated 2017-10-26 · CVE-2016-9263

Positive Technologies (AI Summary)

CVSS v3.1

4.7

Medium

Base vector

AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions WordPress versions prior to 4.8.3

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

Recommendations For WordPress versions prior to 4.8.3, update to version 4.8.3 or later to resolve the issue.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2016-9263

DLA-1151-1

Affected Products

Wordpress

References · 7

• https://osv.dev/vulnerability/CVE-2016-9263 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2016-9263 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2016-9263 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2016-9263 · Vendor Advisory
• https://opnsec.com/2017/10/cve-2016-9263-unpatched-xsf-vulnerability-in-wordpress · Note
• http://securityfocus.com/bid/101294 · Note
• https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-9263 · Note