wpxpo Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX Plugin Installation install_required_plugin_callback authorization

Summaryinfo

A vulnerability has been found in wpxpo Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX up to 4.1.16 on WordPress and classified as critical. This affects the function install_required_plugin_callback of the component Plugin Installation Handler. This manipulation causes authorization. This vulnerability is registered as CVE-2024-10728. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability was found in wpxpo Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX up to 4.1.16 on WordPress. It has been declared as critical. Affected by this vulnerability is the function install_required_plugin_callback of the component Plugin Installation Handler. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX plugin for WordPress is vulnerable to unauthorized plugin installation/activation due to a missing capability check on the 'install_required_plugin_callback' function in all versions up to, and including, 4.1.16. This makes it possible for authenticated attackers, with Subscriber-level access and above, to install and activate arbitrary plugins which can be leveraged to achieve remote code execution if another vulnerable plugin is installed and activated.

The weakness was published by Sean Murphy. It is possible to read the advisory at wordfence.com. This vulnerability is known as CVE-2024-10728 since 11/02/2024. The exploitation appears to be easy. The attack can be launched remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/09/2025).

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

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

• Content Management System

Vendor

• wpxpo

Name

• Post Grid Gutenberg Blocks and WordPress Blog Plugin – PostX

Version

• 4.1.0
• 4.1.1
• 4.1.2
• 4.1.3
• 4.1.4
• 4.1.5
• 4.1.6
• 4.1.7
• 4.1.8
• 4.1.9
• 4.1.10
• 4.1.11
• 4.1.12
• 4.1.13
• 4.1.14
• 4.1.15
• 4.1.16

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

Countermeasuresinfo

Timelineinfo

Sourcesinfo

Entryinfo

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion