Plugin Name: List Category Posts
- Software Type: Plugin
- Software Slug: list-category-posts
- Software Status: Active
- Software Author: fernandobt
- Software Downloads: 3,740,714
- Active Installs: 100,000
- Last Updated: January 9, 2024
- Patched Versions: 0.89.4
- Affected Versions: <= 0.89.3
- Name: List Category Posts <= 0.89.3
- Title: Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
- Type: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
- CVE: CVE-2023-6994
- CVSS Score: 6.5
- Publicly Published: January 9, 2024
- Researcher: Ngô Thiên An (ancorn_) - VNPT-VCI
- Description: The List Category Posts plugin for WordPress, in versions up to and including 0.89.3, is vulnerable to Stored Cross-Site Scripting (XSS) through the plugin's 'catlist' shortcode. This vulnerability arises from inadequate input sanitization and output escaping of user-supplied attributes, enabling authenticated attackers with contributor-level or higher permissions to inject malicious web scripts into pages.
The List Category Posts plugin for WordPress contains a vulnerability in versions up to and including 0.89.3, which allows authenticated users with contributor-level access or higher to execute Stored Cross-Site Scripting attacks via the 'catlist' shortcode. This issue has been resolved in the updated version 0.89.4.
This Stored Cross-Site Scripting vulnerability presents a significant risk, particularly for websites that rely heavily on user-contributed content. The flaw lies in the 'catlist' shortcode, where insufficient input sanitization and output escaping could let attackers inject harmful scripts. These scripts could execute on the browsers of site visitors, leading to potential data theft, session hijacking, or other malicious activities.
Advice for Users:
- Immediate Action: Users are encouraged to update the List Category Posts plugin to the patched version 0.89.4 immediately.
- Check for Signs of Vulnerability: Monitor your website for any unusual script executions or unexpected content changes.
- Alternate Plugins: While the vulnerability has been patched, users may consider alternate plugins that offer similar functionality as an added precaution.
- Stay Updated: Always ensure that your WordPress plugins are up-to-date to protect against known vulnerabilities.
The swift action by the developers of List Category Posts to address the Stored Cross-Site Scripting vulnerability highlights the ongoing necessity of timely software updates. Users are advised to install version 0.89.4 or later to secure their WordPress sites against this specific threat. This incident serves as a reminder for all WordPress site owners, especially small businesses, of the critical importance of regular plugin maintenance and cybersecurity vigilance.
- Wordfence Vulnerability Report on List Category Posts
- Detailed Vulnerability Analysis of List Category Posts
In today's digital landscape, the security of online platforms is a paramount concern, especially for small business owners who rely on these platforms for their operations. The recent discovery of the CVE-2023-6994 vulnerability in the List Category Posts plugin for WordPress is a stark reminder of the continuous need for vigilance and timely updates in software security. This vulnerability highlights the potential risks associated with outdated software and the importance of proactive security measures to protect websites from malicious attacks.
About the Plugin:
List Category Posts, a popular WordPress plugin developed by fernandobt, is widely used with over 3.7 million downloads and 100,000 active installs. It provides a convenient way to list posts by category through a shortcode, making it a valuable tool for content management on WordPress sites. Despite its usefulness, the plugin became susceptible to a significant security vulnerability in versions up to and including 0.89.3.
Risks and Potential Impacts:
The Stored Cross-Site Scripting vulnerability in List Category Posts poses significant risks, especially for websites that rely heavily on user-contributed content. Attackers can exploit this flaw to inject malicious scripts, leading to potential data theft, unauthorized access, and the compromise of visitor trust. Such vulnerabilities are particularly concerning for small businesses, where a security breach can have far-reaching consequences, including reputational damage and loss of customer confidence.
- Immediate Action: Update to the patched version 0.89.4 immediately.
- Check for Signs of Vulnerability: Regularly monitor your website for unusual script executions or content changes.
- Alternate Plugins: Consider alternate plugins offering similar functionalities as an added precaution.
- Stay Updated: Regularly update all WordPress plugins to protect against vulnerabilities.
The prompt response by the developers in addressing the CVE-2023-6994 vulnerability in the List Category Posts plugin underscores the critical role of timely software updates in maintaining web security. For small business owners, who often face time constraints, staying on top of these updates is crucial for protecting their digital assets. Automated update features, regular security audits, and possibly seeking assistance from managed WordPress hosting services can be effective strategies to maintain website security with minimal time investment. Ultimately, being proactive in cybersecurity is essential to safeguard the integrity and trustworthiness of any online presence.
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