Taskbuilder – WordPress Project & Task Management plugin, CVE-2026-2289
- CVE, Research URL
- Home page URL
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Security reports for Taskbuilder – WordPress Project & Task Management plugin
- Published on
- Mar 04, 2026
- Research Description
- The Taskbuilder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 5.0.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
- Affected versions
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max 5.0.4.
- Status
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vulnerable
| Previous vulnerability researches |
|---|
| Timeline Block (CVE-2026-1228) , Apr 15, 2026 |
| Timeline Block (CVE-2025-26754) , Feb 18, 2025 |