CVE-2024-34566

MEDIUM 6.5

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

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-79
Vendor	johan van der wijk
Product	content blocks (custom post widget)
Published	May 8, 2024
Last Updated	Apr 28, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Affected Versions

Johan van der Wijk / Content Blocks (Custom Post Widget)

n/a ≤ 3.3.0

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/vulnerability/custom-post-widget/wordpress-content-blocks-custom-post-widget-plugin-3-3-0-cross-site-scripting-xss-vulnerability?_s_id=cve

Credits

NGÔ THIÊN AN / ancorn_ from VNPT-VCI (Patchstack Alliance)