WordPress Core < 4.3.1 - Cross-Site Scripting via Shortcodes

2015-09-15 00:00

Shahar Tal

Strategic Overview

Status

Patched in 3.7.11

Affected CoreWordPress 4.3

Affected Version3.7 – 4.3 · 8 branches

CVSS6.4Medium

CVECVE-2015-5714

View all WordPress 4.3 vulnerabilities

Vulnerability Overview

Cross-site scripting (XSS) vulnerability in WordPress before 4.3.1 allows remote attackers to inject arbitrary web script or HTML by leveraging the mishandling of unclosed HTML elements during processing of shortcode tags.

Technical Analysis

REMEDIATION: Update to one of the following versions, or a newer patched version: 3.7.11, 3.8.11, 3.9.9, 4.0.8, 4.1.8, 4.2.5, 4.3.1 --- 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-2015-5714 https://www.wordfence.com/threat-intel/vulnerabilities/id/4c1f4487-c684-4602-9b93-e547e2d38a64

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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