Stored Cross-Site Scripting Vulnerability in Meta Box Plugin for WordPress
CVE-2023-6526

6.4MEDIUM

Key Information:

Vendor
Wordpress
Status
Meta Box – WordPress Custom Fields Framework
Vendor
CVE Published:
5 February 2024

Summary

The Meta Box plugin for WordPress is vulnerable to Stored Cross-Site Scripting due to inadequate input sanitization and output escaping related to custom post meta values. This flaw affects all versions up to and including 5.9.2, allowing authenticated attackers with contributor-level access or higher to inject malicious web scripts. Such scripts are executed whenever a user accesses an affected page, potentially compromising user data and security.

Affected Version(s)

Meta Box – WordPress Custom Fields Framework * <= 5.9.2

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/changeset?sfp_email=&s...

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
.