Custom Content Shortcode Plugin up to 4.0.2 on WordPress Shortcode Attribute path traversal

Summaryinfo

A vulnerability was found in Custom Content Shortcode Plugin up to 4.0.2 on WordPress. It has been rated as critical. Affected by this issue is some unknown functionality of the component Shortcode Attribute Handler. The manipulation leads to path traversal. This vulnerability is listed as CVE-2023-0340. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Custom Content Shortcode Plugin up to 4.0.2 on WordPress (WordPress Plugin). It has been rated as critical. This issue affects an unknown function of the component Shortcode Attribute Handler. The manipulation with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality. The summary by CVE is:

The Custom Content Shortcode WordPress plugin through 4.0.2 does not validate one of its shortcode attribute, which could allow users with a contributor role and above to include arbitrary files via a traversal attack. This could also allow them to read non PHP files and retrieve their content. RCE could also be achieved if the attacker manage to upload a malicious image containing PHP code, and then include it via the affected attribute, on a default WP install, authors could easily achieve that given that they have the upload_file capability.

The weakness was presented 03/20/2023. The advisory is shared at wpscan.com. The identification of this vulnerability is CVE-2023-0340 since 01/17/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• WordPress Plugin

Name

• Custom Content Shortcode Plugin

Version

• 4.0.0
• 4.0.1
• 4.0.2

CPE 2.3info

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• 🔍
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CPE 2.2info

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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