CVE-2025-66091 MEDIUM

CVE-2025-66091: WordPress Stylish Cost Calculator plugin <= 8.1.5 - Cross Site Scripting (XSS) vulnerability

Vendor Design
Product Stylish Cost Calculator
Weakness CWE-79 · XSS
Published November 21, 2025
Last update April 28, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Design Stylish Cost Calculator stylish-cost-calculator allows DOM-Based XSS.This issue affects Stylish Cost Calculator: from n/a through <= 8.1.5.

Explanation of Vulnerability in Simple Terms

02Summary

Stylish Cost Calculator versions 8.1.5 and earlier contain a cross-site scripting (XSS) vulnerability. An authenticated user can inject malicious scripts that execute in other users' browsers when they view affected pages. The vulnerability requires user interaction and can affect confidentiality, integrity, and availability of the site.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers to steal data, modify content, or disrupt site functionality.

Potential impact on your site

04Site Impact

Authenticated users can compromise other users' sessions, steal credentials, or deface site content visible to victims.

Conditions required to exploit

05Prerequisites

Attacker must have a user account with low privileges and trick another user into viewing a page with the malicious payload.

Key dates

06Disclosure timeline

November 21, 2025 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE