WordPress Core < 4.1.2 - Cross-Site Scripting

2015-04-21 00:00

Jakub Zoczek

Strategic Overview

Status

Patched in 3.7.6

Affected CoreWordPress 4.1

Affected Version3.7 – 4.1.1 · 6 branches

CVSS7.2High

CVECVE-2015-3438

View all WordPress 4.1 vulnerabilities

Vulnerability Overview

Multiple cross-site scripting (XSS) vulnerabilities in WordPress before 4.1.2, when MySQL is used without strict mode, allow remote attackers to inject arbitrary web script or HTML via a (1) four-byte UTF-8 character or (2) invalid character that reaches the database layer, as demonstrated by a crafted character in a comment.

Technical Analysis

REMEDIATION: Update to one of the following versions, or a newer patched version: 3.7.6, 3.8.6, 3.9.4, 4.0.2, 4.1.2 --- 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-2015-3438 https://www.wordfence.com/threat-intel/vulnerabilities/id/3d9f4fbe-6da6-4620-a071-00b7a462de45

CVSS Vector

7.2

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

Base

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

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