CVE-2026-9570

Taskbuilder < 5.0.8 - Reflected XSS via Shortcode

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.

Affected

Taskbuilder

CVSS v3.1 CNA

7.1 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

EPSS

0.25% chance of exploitation in the next 30 days, 16th percentile

Published

2026-06-17

Proof-of-concept exploits (1)

• https://wpscan.com/vulnerability/e9abd7eb-39f1-49d7-a70e-b07cf3680399/

References

• CVE Record
• NVD entry