LoftOcean CozyStay Plugin/TinySalt Plugin up to 1.7.0 on WordPress ajax_handler deserialization

Summaryinfo

A vulnerability marked as critical has been reported in LoftOcean CozyStay Plugin and TinySalt Plugin up to 1.7.0 on WordPress. This issue affects the function ajax_handler. This manipulation causes deserialization. This vulnerability appears as CVE-2024-13410. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability has been found in LoftOcean CozyStay Plugin and TinySalt Plugin up to 1.7.0 on WordPress and classified as critical. Affected by this vulnerability is the function ajax_handler. 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 CozyStay and TinySalt plugins for WordPress are vulnerable to PHP Object Injection in all versions up to, and including, 1.7.0, and in all versions up to, and including 3.9.0, respectively, via deserialization of untrusted input in the 'ajax_handler' function. 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 weakness was presented by Lucio Sá. The advisory is shared at wordfence.com. This vulnerability is known as CVE-2024-13410 since 01/15/2025. The exploitation appears to be easy. 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 03/19/2025).

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

Vendor

• LoftOcean

Name

• CozyStay Plugin
• TinySalt Plugin

Version

• 1.0
• 1.1
• 1.2
• 1.3
• 1.4
• 1.5
• 1.6
• 1.7.0

CPE 2.3info

• 🔍
• 🔍
• 🔍

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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