PT-2026-4377 · Pixelgrade · Nova Blocks

Published 2026-01-23 · Updated 2026-01-25 · CVE-2026-24528

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions pixelgrade Nova Blocks versions through 2.1.9

Description The software contains a flaw related to improper input handling during web page generation, leading to a DOM-Based Cross-site Scripting (XSS) condition. This allows for potential malicious code execution within the context of a user's browser. The issue impacts the nova-blocks component.

Recommendations Update pixelgrade Nova Blocks to a version later than 2.1.9.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-24528

Affected Products

Nova Blocks

References · 3

• https://nvd.nist.gov/vuln/detail/CVE-2026-24528 · Security Note
• https://patchstack.com/database/Wordpress/Plugin/nova-blocks/vulnerability/wordpress-nova-blocks-plugin-2-1-9-cross-site-scripting-xss-vulnerability?_s_id=cve · Note
• https://twitter.com/CVEnew/status/2015362474594455641 · Twitter Post