ThemeREX Puzzles Plugin up to 4.2.4 on WordPress view_more_posts deserialization

Summaryinfo

A vulnerability has been found in ThemeREX Puzzles Plugin up to 4.2.4 on WordPress and classified as problematic. Affected by this vulnerability is the function view_more_posts. This manipulation causes deserialization. The identification of this vulnerability is CVE-2024-13770. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic was found in ThemeREX Puzzles Plugin up to 4.2.4 on WordPress. Affected by this vulnerability is the function view_more_posts. The manipulation with an unknown input leads to a deserialization vulnerability. The CWE definition for the vulnerability is CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The Puzzles | WP Magazine / Review with Store WordPress Theme + RTL theme for WordPress is vulnerable to PHP Object Injection in all versions up to, and including, 4.2.4 via deserialization of untrusted input 'view_more_posts' AJAX action. This makes it possible for unauthenticated attackers to inject a PHP Object. No known POP chain is present in the vulnerable software, which means this vulnerability has no impact unless another plugin or theme containing a POP chain is installed on the site. If a POP chain is present via an additional plugin or theme installed on the target system, it may allow the attacker to perform actions like delete arbitrary files, retrieve sensitive data, or execute code depending on the POP chain present. The developer opted to remove the software from the repository, so an update is not available and it is recommended to find a replacement software.

The weakness was shared by Lucio Sá. The advisory is shared at wordfence.com. This vulnerability is known as CVE-2024-13770 since 01/28/2025. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 02/13/2025).

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

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

• WordPress Plugin

Vendor

• ThemeREX

Name

• Puzzles Plugin

Version

• 4.2.0
• 4.2.1
• 4.2.2
• 4.2.3
• 4.2.4

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

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Entryinfo

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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