CVE-2026-9570

Description

The Taskbuilder WordPress plugin before 5.0.8 does not properly sanitise a URL parameter before echoing it into inline JavaScript on a frontend page containing one of its shortcodes, leading to a Reflected Cross-Site Scripting vulnerability that can be triggered against any logged-in user.

PUBLISHED Reserved 2026-05-26 | Published 2026-06-17 | Updated 2026-06-17 | Assigner WPScan

Problem types

CWE-79 Cross-Site Scripting (XSS)

Product status

Credits

Luca Jungnickel finder

WPScan coordinator

References

wpscan.com/...rability/e9abd7eb-39f1-49d7-a70e-b07cf3680399/ exploit vdb-entry technical-description

cve.org (CVE-2026-9570)

nvd.nist.gov (CVE-2026-9570)

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