WordPress Core < 4.5.3 - Cross-Site Scripting via Attachment Name

2016-06-18 00:00

Divyesh Prajapati

Strategic Overview

Status

Patched in 3.7.15

Affected CoreWordPress 4.5

Affected Version3.7 – 4.5.2 · 10 branches

CVSS6.4Medium

CVECVE-2016-5834

View all WordPress 4.5 vulnerabilities

Vulnerability Overview

Cross-site scripting (XSS) vulnerability in the wp_get_attachment_link function in wp-includes/post-template.php in WordPress before 4.5.3 allows remote attackers to inject arbitrary web script or HTML via a crafted attachment name, a different vulnerability than CVE-2016-5833.

Technical Analysis

REMEDIATION: Update to one of the following versions, or a newer patched version: 3.7.15, 3.8.15, 3.9.13, 4.0.12, 4.1.12, 4.2.9, 4.3.5, 4.4.4, 4.5.3 --- 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-2016-5834 https://www.wordfence.com/threat-intel/vulnerabilities/id/a9498085-87c7-47e7-aac8-c0397264a7eb

CVSS Vector

6.4

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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