What is CVE-2026-9570?

CVE-2026-9570 is a high-severity vulnerability in Taskbuilder, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2026-06-17.

How severe is CVE-2026-9570?

High severity. CVSS v3 base score is 7.1 out of 10.

XSS in Taskbuilder

CVE-2026-9570

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 vulnerabili…

Vulnerability class: XSS (Cross-Site Scripting)

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L.

Affected products

Unknown Taskbuilder — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

contact@wpscan.com (technical-description, exploit, vdb-entry)

Frequently asked questions

What is CVE-2026-9570?: CVE-2026-9570 is a high-severity vulnerability in Taskbuilder, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2026-06-17.
How severe is CVE-2026-9570?: High severity. CVSS v3 base score is 7.1 out of 10.