WordPress Core < 4.9.1 - Cross-domain Flash injection

2017-10-10 00:00

Anonymous

Strategic Overview

Status

Patched in 3.7.25

Affected CoreWordPress 4.9

Affected Version3.7 – 4.9.1 · 14 branches

CVSS4.7Medium

CVECVE-2016-9263

View all WordPress 4.9 vulnerabilities

Vulnerability Overview

WordPress through 4.9.1, 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.

Technical Analysis

REMEDIATION: Update to one of the following versions, or a newer patched version: 3.7.25, 3.8.25, 3.9.24, 4.0.22, 4.1.22, 4.2.19, 4.3.15, 4.4.14, 4.5.13, 4.6.10, 4.7.9, 4.8.5, 4.9.2 --- IDENTIFIER: CWE-20 (Improper Input Validation) The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

External References

https://www.cve.org/CVERecord?id=CVE-2016-9263 https://www.wordfence.com/threat-intel/vulnerabilities/id/72b14197-560a-4dc2-9c23-a250f51dc51e

CVSS Vector

4.7

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

Base

Attack VectorNetwork
Attack ComplexityHigh
Privileges RequiredNone
User InteractionRequired
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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