Vulnerability DatabaseCVE-2022-3861

CVE-2022-3861:
WordPress vulnerability analysis and mitigation

Overview

The Betheme WordPress theme was found to be vulnerable to PHP Object Injection (CVE-2022-3861). The vulnerability was discovered on November 2, 2022, and publicly disclosed on November 18, 2022. This security issue affects Betheme versions 26.5.1.4 and below. The vulnerability received a CVSS v3.1 score of 8.8 (High), indicating its significant severity (GitHub Advisory).

Technical details

The vulnerability exists in multiple privileged WordPress ajax routes where the theme processes user input without proper sanitization. The affected parameters include 'mfn-items-import' in mfnbuilderimport, 'mfn-items-import-page' in mfnbuilderimport_page, and 'import' parameter in importdata, importsinglepage, and importfromclipboard functions. To exploit this vulnerability, an attacker needs to be authenticated with at least WordPress 'Contributor' privileges (WPScan, GitHub Advisory).

Impact

Successful exploitation of this vulnerability could allow authenticated attackers with Contributor-level access or higher to perform PHP Object Injection, potentially leading to arbitrary code execution on the affected system (GitHub Advisory).

Mitigation and workarounds

The vulnerability was patched in Betheme version 26.6. Users are strongly advised to update to this version or later to protect against potential exploitation (GitHub Advisory).

Additional resources

Source: This report was generated using AI

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