CVE-2021-36884
WordPress vulnerability analysis and mitigation

Overview

An Authenticated Persistent Cross-Site Scripting (XSS) vulnerability was discovered in WordPress Backup Migration plugin versions 1.1.5 and below. The vulnerability was identified and disclosed on November 17, 2021, affecting users of the WordPress backup and migration plugin (Patchstack Advisory).

Technical details

The vulnerability is tracked as CVE-2021-36884 and has been assigned a CVSS v3.1 base score of 5.4 (Medium) by NVD and 4.8 (Medium) by Patchstack. The CVSS vector string is CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N, indicating that the vulnerability requires network access, low attack complexity, low privileges, and user interaction (NVD).

Impact

The vulnerability allows authenticated attackers to inject malicious scripts into the website, which can then be executed when other users visit the affected pages. This could lead to potential redirects, unwanted advertisements, and execution of other malicious HTML payloads (Patchstack Advisory).

Mitigation and workarounds

The vulnerability was patched in version 1.1.6 of the WordPress Backup Migration plugin. Users are advised to update to version 1.1.6 or later to remediate this security issue (WordPress Plugin).

Additional resources


SourceThis report was generated using AI

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