CVE-2020-13487: bbPress stored Cross-Site Scripting (XSS) vulnerability in the Forum creation section
Summary
CVE-2020-13487: bbPress stored Cross-Site Scripting (XSS) vulnerability in the Forum creation section. Affects bbpress/bbpress versions < 2.6.4. No fix is published. How to fix ↓
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Background
bbPress is a popular plugin for WordPress that enables the creation and management of discussion forums. It provides a user-friendly interface for administrators to create and organize forums, allowing users to engage in conversations and share information. However, a vulnerability has been discovered in bbPress versions up to 2.6.4 that exposes users to a stored Cross-Site Scripting (XSS) attack. This vulnerability specifically affects the Forum creation section of the plugin, allowing an attacker to execute malicious JavaScript code on the wp-admin/edit.php?post_type=forum page for all users, including administrators.
Vulnerability Detail
The stored XSS vulnerability in bbPress can have serious consequences for affected websites. By exploiting this vulnerability, an attacker can inject malicious JavaScript code into the Forum creation section, which will be executed when the wp-admin/edit.php?post_type=forum page is loaded. This can lead to various attacks, such as stealing sensitive user information, hijacking user sessions, or defacing the website. The vulnerability has a CVSS score of 4.8, indicating a moderate severity level.
How To Fix
No fixed version is published for this vulnerability.
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Workaround
If updating the bbPress plugin is not immediately feasible, a temporary workaround can be implemented by disabling the Forum creation functionality. This can be done by restricting access to the wp-admin/post.php?action=edit URI, which is the vulnerable endpoint. Website administrators can modify the server configuration or use a security plugin to block access to this specific URL. However, this workaround should only be considered as a temporary measure until the plugin update can be applied.
Conclusion
The bbPress plugin for WordPress is vulnerable to a stored Cross-Site Scripting (XSS) attack in the Forum creation section. This can lead to the execution of malicious JavaScript code and various security risks for affected websites. It is crucial to update the plugin to version 2.6.5 or later to mitigate this vulnerability. Regularly updating all installed plugins and themes is also recommended for maintaining the security of WordPress sites. For further assistance and support in vulnerability remediation, please contact DevNack.com.
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FAQ
bbPress is a WordPress plugin that allows the creation and management of discussion forums on websites.
A stored Cross-Site Scripting (XSS) vulnerability is a type of security flaw that allows an attacker to inject malicious code into a website, which is then executed when other users access the affected page.
This vulnerability in bbPress can lead to the execution of arbitrary JavaScript code, potentially enabling an attacker to steal user information, hijack user sessions, or deface the website.
To fix this vulnerability, update the bbPress plugin to version 2.6.5 or later. Regularly updating all installed plugins and themes is also recommended.
A temporary workaround is to disable the Forum creation functionality by restricting access to the vulnerable endpoint (wp-admin/post.php?action=edit). However, this should only be considered as a temporary measure until the plugin update can be applied.
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