Vulnerability DatabaseCVE-2022-45818

CVE-2022-45818:
WordPress vulnerability analysis and mitigation

Overview

A Stored Cross-Site Scripting (XSS) vulnerability was discovered in the WP OnlineSupport's Essential Plugin Hero Banner Ultimate WordPress plugin versions 1.3.4 and below. The vulnerability was reported on December 1, 2022, and was assigned CVE-2022-45818. The issue affects authenticated users with contributor or higher privileges (Patchstack).

Technical details

The vulnerability has been assigned a CVSS v3.1 base score of 5.4 (Medium) by NVD with the vector string CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N, while Patchstack assessed it with a score of 6.5 (Medium) and vector string CVSS:3.1/AV:N/AC:L/PR:L/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) (NVD).

Impact

This vulnerability could allow a malicious actor with contributor-level access to inject malicious scripts, including redirects, advertisements, and other HTML payloads into the website. These injected scripts would be executed when guests visit the affected site (Patchstack).

Mitigation and workarounds

The vulnerability has been fixed in version 1.4 of the Hero Banner Ultimate plugin. Users are advised to update to version 1.4 or later to remove the vulnerability. Patchstack has also 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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