CVE-2023-40601 HIGH

CVE-2023-40601: WordPress Mortgage Calculator Estatik Plugin <= 2.0.7 is vulnerable to Cross Site Scripting (XSS)

Vendor Estatik
Product Estatik Mortgage Calculator
Weakness CWE-79 · XSS
Published September 6, 2023
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Estatik Estatik Mortgage Calculator plugin <= 2.0.7 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Estatik Mortgage Calculator versions up to 2.0.7 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into the calculator interface. An attacker can craft a malicious link that, when visited by a site visitor, executes JavaScript in their browser. This can lead to session hijacking, credential theft, or malware distribution. The vulnerability requires user interaction and affects the integrity and confidentiality of visitor data.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in visitors' browsers via a crafted link.

Potential impact on your site

04Site Impact

Visitors using the calculator may have sessions hijacked, credentials stolen, or be redirected to malicious sites.

Conditions required to exploit

05Prerequisites

A site visitor must click an attacker-supplied link or visit a page containing the malicious payload.

Key dates

06Disclosure timeline

September 6, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE

CVE-2026-15653 Visualizer <= 4.0.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'backend-title' Parameter CVE-2026-65439 WordPress Ultimate Addons for Contact Form 7 plugin <=3.5.45 - Cross Site Scripting (XSS) vulnerability CVE-2026-15334 Cozy Blocks <= 2.2.11 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'icon.view' Block Attribute CVE-2026-65518 WordPress Accept Donations with PayPal & Stripe plugin <= 1.5.5 - Cross Site Scripting (XSS) vulnerability CVE-2026-15393 Cozy Blocks <= 2.2.11 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'postMeta.font.size' Block Attribute