CVE-2024-34566: Vanderwijk Content Blocks

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Johan van der Wijk Content Blocks (Custom Post Widget) allows Stored XSS.This issue affects Content Blocks (Custom Post Widget): from n/a through 3.3.0.

Affected products

• Vanderwijk Content Blocks: before 3.3.1 (fixed in 3.3.1)

Published 2024-05-08. Last modified 2026-06-17.