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Vulnerability DatabaseCVE-2020-36727

CVE-2020-36727: 
WordPress vulnerability analysis and mitigation

Overview

The Newsletter Manager plugin for WordPress (versions up to 1.5.1) contains an insecure deserialization vulnerability, identified as CVE-2020-36727. The vulnerability was discovered by Jerome Bruandet of NinTechNet and publicly disclosed on December 29, 2020. The issue affects the plugin's handling of the 'customFieldsDetails' parameter, where unsanitized input is passed through a deserialization function (WPScan).

Technical details

The vulnerability is classified as an insecure deserialization issue (CWE-502) that could lead to unauthenticated PHP object injection when a suitable gadget chain is present. The severity of this vulnerability is rated as Critical with a CVSS v3.1 base score of 9.8 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H) (NVD).

Impact

The vulnerability allows unauthenticated attackers to potentially inject serialized PHP objects through the 'customFieldsDetails' parameter. This could lead to remote code execution if a suitable gadget chain is present in the target environment (WPScan).

Mitigation and workarounds

As of the latest reports, there is no known fix available for this vulnerability. Users of the Newsletter Manager plugin should consider using alternative newsletter management solutions until a patch is released (WPScan).

Additional resources

Source: This report was generated using AI

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