Yoast SEO <= 2.1.1 - Cross Site Scripting via post_title parameter

2012-10-31 00:00

Anonymous

Strategic Overview

Status

Patched in 2.2

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

Affected Version<= 2.1.1

CVSS6.1Medium

CVECVE-2012-6692

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

Vulnerability Overview

Cross-site scripting (XSS) vulnerability in js/wp-seo-metabox.js in the WordPress SEO by Yoast plugin before 2.2 for WordPress allows remote attackers to inject arbitrary web script or HTML via the post_title parameter to wp-admin/post-new.php, which is not properly handled in the snippet preview functionality.

Technical Analysis

REMEDIATION: Update to version 2.2, 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.cve.org/CVERecord?id=CVE-2012-6692 https://www.wordfence.com/threat-intel/vulnerabilities/id/4187f559-87ba-46ab-9b45-7a36dd98d71d

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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