Stored Cross-Site Scripting Vulnerability in Content Blocks (Custom Post Widget) Plugin

CVE-2024-3565
6.4MEDIUM

Key Information

Vendor
Vanderwijk
Status
Content Blocks (custom Post Widget)
Vendor
CVE Published:
1 June 2024

Summary

The Content Blocks (Custom Post Widget) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'content_block' shortcode in all versions up to, and including, 3.3.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected Version(s)

Content Blocks (Custom Post Widget) <= 3.3.0

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published.

  • Disclosed

  • Vulnerability Reserved.

  • Discovered

Collectors

NVD DatabaseMitre Database

Credit

Alex Thomas
.