themetechmount TrueBooker Plugin up to 1.2.2 on WordPress truebooker_user sql injection

Summaryinfo

A vulnerability was found in themetechmount TrueBooker Plugin up to 1.2.2. It has been declared as critical. This issue affects some unknown processing. Such manipulation of the argument truebooker_user leads to sql injection. This vulnerability is documented as CVE-2026-13161. The attack can be executed remotely. There is not any exploit available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in themetechmount TrueBooker Plugin up to 1.2.2. Affected by this issue is some unknown processing. The manipulation of the argument truebooker_user with an unknown input leads to a sql injection vulnerability. Using CWE to declare the problem leads to CWE-89. The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Impacted is confidentiality, integrity, and availability. CVE summarizes:

The TrueBooker – Appointment Booking and Scheduler System plugin for WordPress is vulnerable to generic SQL Injection via the 'alldata[truebooker_user]' parameter in all versions up to, and including, 1.2.2 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database. The check_ajax_referer() nonce guard does not constitute an authentication or authorization barrier because the nonce is exposed to unauthenticated visitors on TrueBooker front-end booking pages; exploitation additionally requires that the required booking fields (category, service, person, date, and time slot) be present in the alldata POST parameter so that execution reaches the vulnerable SQL query branch.

The advisory is shared for download at wordfence.com. This vulnerability is handled as CVE-2026-13161 since 06/24/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/28/2026). The MITRE ATT&CK project declares the attack technique as T1505.

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-2026-49722). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• WordPress Plugin

Vendor

• themetechmount

Name

• TrueBooker Plugin

Version

• 1.2.0
• 1.2.1
• 1.2.2

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CPE 2.2info

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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