wpwax Post Grid Slider & Carousel Ultimate Plugin up to 1.6.10 on WordPress Shortcode post_type_ajax_handler theme path traversal

Summaryinfo

A vulnerability classified as critical has been found in wpwax Post Grid Slider & Carousel Ultimate Plugin up to 1.6.10 on WordPress. This affects the function post_type_ajax_handler of the component Shortcode Handler. This manipulation of the argument theme causes path traversal. This vulnerability is tracked as CVE-2024-13409. The attack is possible to be carried out remotely. No exploit exists. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in wpwax Post Grid Slider & Carousel Ultimate Plugin up to 1.6.10 on WordPress. Affected by this vulnerability is the function post_type_ajax_handler of the component Shortcode Handler. The manipulation of the argument theme with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The Post Grid, Slider & Carousel Ultimate – with Shortcode, Gutenberg Block & Elementor Widget plugin for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 1.6.10 via the 'theme' parameter of the post_type_ajax_handler() function. This makes it possible for authenticated attackers, with Contributor-level access and above, to include and execute arbitrary files on the server, allowing the execution of any PHP code in those files. This can be used to bypass access controls, obtain sensitive data, or achieve code execution in cases where images and other “safe” file types can be uploaded and included.

The weakness was disclosed by Hiroho Shimada. The advisory is shared at wordfence.com. This vulnerability is known as CVE-2024-13409 since 01/15/2025. The exploitation appears to be easy. The attack can be launched remotely. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1006 for this issue.

Upgrading to version 1.6.10, includes, classes or ajax.php eliminates this vulnerability.

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

Productinfo

Type

• WordPress Plugin

Vendor

• wpwax

Name

• Post Grid Slider & Carousel Ultimate Plugin

Version

• 1.6.0
• 1.6.1
• 1.6.2
• 1.6.3
• 1.6.4
• 1.6.5
• 1.6.6
• 1.6.7
• 1.6.8
• 1.6.9
• 1.6.10

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

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

Discussion