WordPress Core < 4.2.4 - Cross-Site Scripting in Theme Preview

2015-08-04 00:00

Anonymous

Strategic Overview

Status

Patched in 3.7.10

Affected CoreWordPress 4.2

Affected Version3.7 – 4.2.3 · 7 branches

CVSS6.1Medium

CVECVE-2015-5734

View all WordPress 4.2 vulnerabilities

Vulnerability Overview

Cross-site scripting (XSS) vulnerability in the legacy theme preview implementation in wp-includes/theme.php in WordPress before 4.2.4 allows remote attackers to inject arbitrary web script or HTML via a crafted string.

Technical Analysis

REMEDIATION: Update to one of the following versions, or a newer patched version: 3.7.10, 3.8.10, 3.9.8, 4.0.7, 4.1.7, 4.2.4 --- 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-2015-5734 https://www.wordfence.com/threat-intel/vulnerabilities/id/c2385865-ff03-4daf-bf81-3ec3ea11c91f

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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