Yoast SEO <= 2.0.1 - Reflected Cross-Site Scripting

2015-04-20 00:00

Anonymous

Strategic Overview

Status

Patched in 2.1

Affected PluginYoast SEO – Advanced SEO with real-time guidance and built-in AI

Affected Version< 2.1

CVSS6.1Medium

CVEN/A

View all Yoast SEO – Advanced SEO with real-time guidance and built-in AI vulnerabilities

Vulnerability Overview

The Yoast SEO plugin for WordPress is vulnerable to Reflected Cross-Site Scripting in versions up to, and including, 2.0.1 due to insufficient input sanitization and output escaping on remove_query_arg and add_query_arg. This makes it possible for attackers to inject arbitrary web scripts that execute in a victim's browser.

Technical Analysis

REMEDIATION: Update to version 2.1, or a newer patched version --- 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.wordfence.com/threat-intel/vulnerabilities/id/2fe34989-493c-4883-a1ca-454262919202

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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