Plugin Vulnerable to Local File Inclusion Attacks
CVE-2024-3564

8.8HIGH

Key Information:

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

Summary

The Content Blocks (Custom Post Widget) plugin for WordPress is affected by a vulnerability that facilitates Local File Inclusion (LFI). This flaw exists in all versions up to and including 3.3.0, specifically through the 'content_block' shortcode. When exploited by authenticated users with contributor-level access or higher, attackers can include and execute arbitrary files located on the server. This vulnerability can lead to unauthorized execution of PHP code, circumvent access controls, and expose sensitive data by manipulating the inclusion of files, even those that are deemed 'safe' for upload, such as images.

Affected Version(s)

Content Blocks (Custom Post Widget) * <= 3.3.0

References

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

CVSS V3.1

Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Krzysztof Zając
.