CVE-2023-0087 exposes WordPress sites to Stored XSS attacks via 'spm_plugin_options_page_tree_max_width' parameter. Learn impact, mitigation & prevention measures.
This CVE-2023-0087 was published by Wordfence on January 5, 2023. It involves a vulnerability in the Swifty Page Manager plugin for WordPress, allowing for Stored Cross-Site Scripting attacks.
Understanding CVE-2023-0087
This section will provide details on the nature of CVE-2023-0087 and its impacts.
What is CVE-2023-0087?
The Swifty Page Manager plugin for WordPress is vulnerable to Stored Cross-Site Scripting through the 'spm_plugin_options_page_tree_max_width' parameter in versions up to 3.0.1. This vulnerability arises from insufficient input sanitization and output escaping. It enables authenticated attackers with administrator-level permissions to inject malicious web scripts into pages, executing whenever a user accesses the affected page. Notably, this vulnerability only affects multi-site installations and instances where unfiltered_html is disabled.
The Impact of CVE-2023-0087
The impact of this vulnerability is rated as MEDIUM with a CVSS base score of 5.5. Attackers can exploit this flaw to execute arbitrary scripts within the context of the target user's browser session, potentially leading to unauthorized actions or data theft.
Technical Details of CVE-2023-0087
In this section, we delve into the specific technical aspects of CVE-2023-0087, including the vulnerability description, affected systems and versions, and the exploitation mechanism.
Vulnerability Description
The vulnerability in the Swifty Page Manager plugin for WordPress allows for Stored Cross-Site Scripting attacks, enabling attackers to inject and execute malicious scripts on affected pages.
Affected Systems and Versions
The vulnerability affects Swifty Page Manager versions up to and including 3.0.1 in multi-site installations where unfiltered_html is disabled.
Exploitation Mechanism
Attackers with authenticated access and administrator-level permissions can exploit this vulnerability by injecting malicious web scripts using the 'spm_plugin_options_page_tree_max_width' parameter.
Mitigation and Prevention
This section outlines the necessary steps to mitigate and prevent exploitation of CVE-2023-0087.
Immediate Steps to Take
Long-Term Security Practices
Patching and Updates
Ensure that you promptly apply patches and updates released by the plugin developer to address known vulnerabilities and enhance the security posture of your WordPress installation.