Taskbuilder Plugin up to 5.0.2 on WordPress sort_by sql injection

Summaryinfo

A vulnerability described as critical has been identified in Taskbuilder Plugin up to 5.0.2 on WordPress. This impacts an unknown function. The manipulation of the argument sort_by results in sql injection. This vulnerability is cataloged as CVE-2026-1639. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability was found in Taskbuilder Plugin up to 5.0.2 on WordPress. It has been classified as critical. Affected is an unknown code block. The manipulation of the argument sort_by with an unknown input leads to a sql injection vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

The Taskbuilder – WordPress Project Management & Task Management plugin for WordPress is vulnerable to time-based blind SQL Injection via the 'order' and 'sort_by' parameters in all versions up to, and including, 5.0.2 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with subscriber-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.

The advisory is shared for download at wordfence.com. This vulnerability is traded as CVE-2026-1639. The exploitability is told to be easy. It is possible to launch the attack remotely. 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 02/18/2026). 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.

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Productinfo

Type

• WordPress Plugin

Name

• Taskbuilder Plugin

Version

• 5.0.0
• 5.0.1
• 5.0.2

CPE 2.3info

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CPE 2.2info

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