Vulnerability DatabaseCVE-2023-47545

CVE-2023-47545:
WordPress vulnerability analysis and mitigation

Overview

A Stored Cross-Site Scripting (XSS) vulnerability was discovered in Fatcat Apps Forms for Mailchimp by Optin Cat – Grow Your MailChimp List plugin versions 2.5.4 and earlier. The vulnerability was reported on August 24, 2023, and was assigned CVE-2023-47545. This security issue affects WordPress installations using the vulnerable plugin versions (Patchstack).

Technical details

The vulnerability has been assessed with multiple CVSS scores. According to NVD, it received a CVSS v3.1 Base Score of 5.4 (MEDIUM) with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N. Patchstack assigned a slightly higher CVSS score of 5.9 (MEDIUM) with the vector string CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L. The vulnerability is classified as CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') (NVD).

Impact

The vulnerability could allow a malicious actor with editor or higher privileges to inject malicious scripts, including redirects, advertisements, and other HTML payloads into the website. These injected scripts would be executed when visitors access the affected site (Patchstack).

Mitigation and workarounds

The vulnerability has been fixed in version 2.5.5 of the Forms for Mailchimp by Optin Cat plugin. Users are advised to update to version 2.5.5 or later immediately. Additionally, Patchstack has issued a virtual patch to mitigate this issue by blocking potential attacks until users can update to the fixed version (Patchstack).

Additional resources

Source: This report was generated using AI

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