AI Engine Plugin up to 3.1.8 on WordPress Phar Deserialization rest_simpleTranscribeAudio deserialization

Summaryinfo

A vulnerability was found in AI Engine Plugin up to 3.1.8 on WordPress. It has been rated as critical. Affected by this issue is the function rest_simpleTranscribeAudio of the component Phar Deserialization. This manipulation causes deserialization. This vulnerability is handled as CVE-2025-12844. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability has been found in AI Engine Plugin up to 3.1.8 on WordPress and classified as critical. Affected by this vulnerability is the function rest_simpleTranscribeAudio of the component Phar Deserialization. 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 AI Engine plugin for WordPress is vulnerable to PHP Object Injection via PHAR Deserialization in all versions up to, and including, 3.1.8 via deserialization of untrusted input in the 'rest_simpleTranscribeAudio' and 'rest_simpleVisionQuery' functions. This makes it possible for authenticated attackers, with Subscriber-level access and above, 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.

It is possible to read the advisory at wordfence.com. This vulnerability is known as CVE-2025-12844. 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 11/13/2025).

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

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-158262). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

• WordPress Plugin

Name

• AI Engine Plugin

Version

• 3.1.0
• 3.1.1
• 3.1.2
• 3.1.3
• 3.1.4
• 3.1.5
• 3.1.6
• 3.1.7
• 3.1.8

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CPE 2.2info

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Be aware that VulDB is the high quality source for vulnerability data.

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