CVE-2023-40206 MEDIUM

CVE-2023-40206: WordPress WP 404 Auto Redirect to Similar Post Plugin <= 1.0.3 is vulnerable to Cross Site Scripting (XSS)

Vendor Hwk-Fr
Product WP 404 Auto Redirect to Similar Post
Weakness CWE-79 · XSS
Published September 4, 2023
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

5.9/10
Attack vector Network
Attack complexity Low
Privileges required High
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L

What the vulnerability does

01Description

Auth. (admin+) Stored Cross-Site Scripting (XSS) vulnerability in hwk-fr WP 404 Auto Redirect to Similar Post plugin <= 1.0.3 versions.

Explanation of Vulnerability in Simple Terms

02Summary

WP 404 Auto Redirect to Similar Post versions up to 1.0.3 contain a cross-site scripting (XSS) vulnerability. An authenticated admin can inject malicious scripts that execute in other users' browsers when they visit affected pages. The vulnerability requires admin privileges and user interaction to exploit, but can affect site visitors across the platform.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers when they visit the site.

Potential impact on your site

04Site Impact

An admin account could be compromised to inject malware or steal visitor data without your knowledge.

Conditions required to exploit

05Prerequisites

Admin-level access to the WordPress site; victim must visit an affected page.

Key dates

06Disclosure timeline

September 4, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE

CVE-2026-65483 WordPress HashThemes Demo Importer plugin <= 1.4.2 - Cross Site Scripting (XSS) vulnerability CVE-2026-15665 Fluent Support <= 2.3.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'redirect-to' Shortcode Attribute CVE-2026-65446 WordPress Kali Forms plugin <= 2.4.18 - Cross Site Scripting (XSS) vulnerability CVE-2026-65763 Joomla Extension - phoca.cz - Reflected XSS vulnerability in Phoca Maps 5.0.0-6.0.4 CVE-2026-65533 WordPress Smart SEO Tool plugin <= 4.1.2 - Cross Site Scripting (XSS) vulnerability