CVE-2026-24528 MEDIUM

CVE-2026-24528: WordPress Nova Blocks plugin <= 2.1.9 - Cross Site Scripting (XSS) vulnerability

Vendor Pixelgrade
Product Nova Blocks
Weakness CWE-79 · XSS
Published January 23, 2026
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 pixelgrade Nova Blocks nova-blocks allows DOM-Based XSS.This issue affects Nova Blocks: from n/a through <= 2.1.9.

Explanation of Vulnerability in Simple Terms

02Summary

Nova Blocks versions up to 2.1.9 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, potentially compromising their sessions or stealing data. The vulnerability requires user interaction to trigger and affects the scope beyond the vulnerable component.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers when they view affected pages.

Potential impact on your site

04Site Impact

Authenticated users can inject code affecting other visitors; compromises site integrity and visitor security.

Conditions required to exploit

05Prerequisites

Attacker must be logged in with low-level user privileges and trick a victim into visiting a crafted page.

Key dates

06Disclosure timeline

January 23, 2026 CVE published
April 28, 2026 Record updated