CVE-2026-1807 MEDIUM

CVE-2026-1807: InteractiveCalculator for WordPress <= 1.0.3 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'id' Shortcode Attribute

Vendor Interactivecalculator
Product InteractiveCalculator for WordPress
Weakness CWE-79 · XSS
Published February 18, 2026
Last update April 8, 2026

CVSS base score

6.4/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

The InteractiveCalculator for WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'interactivecalculator' shortcode in all versions up to, and including, 1.0.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Explanation of Vulnerability in Simple Terms

02Summary

The InteractiveCalculator for WordPress plugin versions 1.0.3 and earlier contain a stored cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious scripts that execute in the browsers of other site visitors, including administrators. The vulnerability affects the site's integrity and confidentiality due to its changed scope.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers, potentially stealing session tokens or admin credentials.

Potential impact on your site

04Site Impact

Authenticated users can inject code affecting other visitors and admins; site data and user sessions at risk.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege WordPress account (e.g., subscriber or contributor role).

Key dates

06Disclosure timeline

February 18, 2026 CVE published
April 8, 2026 Record updated