CVE-2024-13634
WordPress vulnerability analysis and mitigation

Overview

The Post Sync WordPress plugin through version 1.1 contains a Reflected Cross-Site Scripting (XSS) vulnerability identified as CVE-2024-13634. The vulnerability was discovered by Hassan Khan Yusufzai (Splint3r7) and was publicly disclosed on February 4, 2025. This security issue affects high-privilege users such as administrators (WPScan).

Technical details

The vulnerability stems from improper input validation where the plugin fails to sanitize and escape a parameter before outputting it back in the page. The vulnerability has been assigned a CVSS score of 7.1 (high) and is classified under CWE-79 (Cross-Site Scripting). A proof of concept exploit involves accessing the URL: https://example.com/wp-admin/admin.php?page=add-site&id=1">alert(1) (WPScan).

Impact

The vulnerability can be exploited to perform cross-site scripting attacks against high-privilege users such as administrators, potentially leading to unauthorized actions being performed in the context of the administrator's session (WPScan).

Mitigation and workarounds

Currently, there is no known fix available for this vulnerability in the Post Sync WordPress plugin (WPScan).

Additional resources


SourceThis report was generated using AI

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