WordPress Core < 4.5.2 - Cross-Site Scripting via plupload.flash.swf

2016-05-06 00:00

Mario Heiderich

Strategic Overview

Status

Patched in 3.7.14

Affected CoreWordPress 4.5

Affected Version3.7 – 4.5.1 · 10 branches

CVSS6.1Medium

CVECVE-2016-4566

View all WordPress 4.5 vulnerabilities

Vulnerability Overview

Cross-site scripting (XSS) vulnerability in plupload.flash.swf in Plupload before 2.1.9, as used in WordPress before 4.5.2, allows remote attackers to inject arbitrary web script or HTML via a Same-Origin Method Execution (SOME) attack.

Technical Analysis

REMEDIATION: Update to one of the following versions, or a newer patched version: 3.7.14, 3.8.14, 3.9.12, 4.0.11, 4.1.11, 4.2.8, 4.3.4, 4.4.3, 4.5.2 --- IDENTIFIER: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

External References

https://www.cve.org/CVERecord?id=CVE-2016-4566 https://www.wordfence.com/threat-intel/vulnerabilities/id/26753b92-3ec5-4b65-8fc7-2d6488f12974

CVSS Vector

6.1

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

Base

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

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