Time-based Blind SQL Injection in Taskbuilder Project Management Plugin for WordPress
CVE-2026-1639

6.5MEDIUM

Key Information:

Vendor

WordPress
Status
Taskbuilder – Project Management & Task Management Tool With Kanban Board
Vendor
CVE Published:
18 February 2026

What is CVE-2026-1639?

The Taskbuilder plugin for WordPress is vulnerable to a time-based blind SQL injection due to inadequate input sanitization on the 'order' and 'sort_by' parameters. This flaw allows authenticated attackers with at least subscriber-level access to manipulate SQL queries, potentially enabling them to extract sensitive data from the database. Effective mitigation strategies should be implemented to safeguard against unauthorized data access.

Affected Version(s)

Taskbuilder – Project Management & Task Management Tool With Kanban Board 0 <= 5.0.2

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/taskbuilder/ta...
https://plugins.trac.wordpress.org/browser/taskbuilder/ta...

CVSS V3.1

Score:
6.5
Severity:
MEDIUM
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Tarcísio Luchesi De Almeida Silva
.