CVE-2024-34566

WordPress Content Blocks (Custom Post Widget) plugin <= 3.3.0 - Cross Site Scripting (XSS) vulnerability

Published May 8, 2024 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

Update to 3.3.1 or a higher version.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-34869 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.
History
Type Values Removed Values Added
First Time appeared Johan Van Der Wijk
Johan Van Der Wijk content Blocks Custom Post Widget
CPEs cpe:2.3:a:johan_van_der_wijk:content_blocks_custom_post_widget:*:*:*:*:*:*:*:*
Vendors & Products Johan Van Der Wijk
Johan Van Der Wijk content Blocks Custom Post Widget
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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. 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.
Type Values Removed Values Added
First Time appeared Vanderwijk
Vanderwijk content Blocks
CPEs cpe:2.3:a:vanderwijk:content_blocks:*:*:*:*:*:wordpress:*:*
Vendors & Products Vanderwijk
Vanderwijk content Blocks
Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Apr 28, 2026, 4:09 PM
Reserved
May 6, 2024, 7:26 PM
Status
Modified
Published
May 8, 2024, 11:15 AM
Modified
Jun 17, 2026, 7:33 AM