WordPress WP-PageNavi <=2.8.6 SQL Injection Vulnerability Analysis and POC

Vulnerability Overview This vulnerability involves a SQL injection flaw in the WordPress plugin "WP-PageNavi" in version 2.8.6 and earlier. Attackers can craft specific URL requests to exploit this vulnerability, execute arbitrary SQL commands, and potentially obtain sensitive information, tamper with data, or gain full control over the database. Scope of Impact Affected Product: WordPress plugin "WP-PageNavi" Affected Versions: Version 2.8.6 and earlier Vulnerability Type: SQL Injection Vulnerability Location: function within the file Remediation Official Fix: Upgrade to the latest version of the WP-PageNavi plugin (version 2.8.7 or later), which addresses this SQL injection vulnerability. Temporary Mitigation Measures: - If an immediate upgrade is not possible, disable or uninstall the WP-PageNavi plugin. - Use a Web Application Firewall (WAF) to filter and block malicious requests. POC Code ```php <?php // Example POC code // Note: This code is for demonstration purposes only; do not use in production environments $target_url = "http://example.com/?paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&post_type=post&post_status=publish&posts_per_page=10&paged=1&orderby=ID&order=DESC&p

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WordPress WP-PageNavi <=2.8.6 SQL Injection Vulnerability Analysis and POC

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