Stored Cross-Site Scripting Vulnerability in Custom Post Type Attachment Plugin
CVE-2024-4546

6.4MEDIUM

Key Information:

Vendor
Wordpress
Status
Custom Post Type Attachment
Vendor
CVE Published:
16 May 2024

Summary

The Custom Post Type Attachment plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'pdf_attachment' shortcode in all versions up to, and including, 3.4.5 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)

Custom Post Type Attachment * <= 3.4.5

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset/3087121/

CVSS V3.1

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Francesco Carlucci
.