CVE-2015-5622: XSS

Published Aug 3, 2015
·
Updated

Cross-site scripting (XSS) vulnerability in WordPress before 4.2.3 allows remote authenticated users to inject arbitrary web script or HTML by leveraging the Author or Contributor role to place a crafted shortcode inside an HTML element, related to wp-includes/kses.php and wp-includes/shortcodes.php.

Affected Software

2 affected components
WordPress WordPress<=4.2.2
Debian Debian Linux=8.0

Event History

Aug 3, 2015
CVE Published
via MITRE·02:00 PM
Data Sourced
via MITRE·02:00 PM
Description

Frequently Asked Questions

1

What is the severity of CVE-2015-5622?

CVE-2015-5622 has a medium severity rating, as it allows remote authenticated users to execute arbitrary scripts on affected WordPress sites.

2

How do I fix CVE-2015-5622?

To fix CVE-2015-5622, update your WordPress installation to version 4.2.3 or later.

3

Who is affected by CVE-2015-5622?

CVE-2015-5622 affects WordPress versions prior to 4.2.3, particularly installations where users have Author or Contributor roles.

4

What types of attacks can be executed through CVE-2015-5622?

CVE-2015-5622 allows attackers to perform cross-site scripting (XSS) attacks by injecting malicious scripts through shortcodes.

5

Is there a workaround for CVE-2015-5622 if I cannot update immediately?

A temporary workaround for CVE-2015-5622 is to revoke Author and Contributor access for users who do not require it.

Contact

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