CVE-2026-34887 MEDIUM

CVE-2026-34887: WordPress Kubio AI Page Builder plugin <= 2.7.0 - Cross Site Scripting (XSS) vulnerability

Vendor Extend Themes
Product Kubio AI Page Builder
Weakness CWE-79 · XSS
Published March 31, 2026
Last update March 31, 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 Extend Themes Kubio AI Page Builder allows Stored XSS.This issue affects Kubio AI Page Builder: from n/a through 2.7.0.

Explanation of Vulnerability in Simple Terms

02Summary

Kubio AI Page Builder versions up to 2.7.0 contain a stored cross-site scripting (XSS) vulnerability. An attacker with low-level site access can inject malicious scripts that execute in other users' browsers when they view affected pages. The vulnerability requires user interaction and can affect site visitors across different security contexts.

What an attacker can do

03Attacker Capabilities

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

Potential impact on your site

04Site Impact

Site visitors' accounts and data are at risk; attackers can deface content or harvest credentials from logged-in users.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

March 31, 2026 CVE published
March 31, 2026 Record updated

Related vulnerabilities

08Related CVE