CVE-2026-39491 MEDIUM

CVE-2026-39491: WordPress JupiterX Core plugin <= 4.14.1 - Cross Site Scripting (XSS) vulnerability

Vendor Artbees
Product JupiterX Core
Weakness CWE-79 · XSS
Published June 15, 2026
Last update June 15, 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

Subscriber Cross Site Scripting (XSS) in JupiterX Core <= 4.14.1 versions.

Explanation of Vulnerability in Simple Terms

02Summary

JupiterX Core versions up to 4.14.1 contain a stored cross-site scripting (XSS) vulnerability. An authenticated user with low privileges can inject malicious scripts that execute in other users' browsers when they view affected pages. The vulnerability requires user interaction and can affect the confidentiality, integrity, and availability of site data.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers and steal data or perform actions on their behalf.

Potential impact on your site

04Site Impact

Authenticated users can inject scripts affecting other visitors; may lead to credential theft, malware distribution, or site defacement.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege account on the site; victim must view a page containing the injected script.

Key dates

06Disclosure timeline

June 15, 2026 CVE published

Related vulnerabilities

08Related CVE