What is CVE-2026-14239?

CVE-2026-14239 is a high-severity vulnerability in Tourmaster, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2026-07-30.

How severe is CVE-2026-14239?

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

XSS in Tourmaster

CVE-2026-14239

The tourmaster WordPress plugin before 5.4.8 does not perform a nonce check when storing a custom-filter label taken from a request parameter, and does not escape that label when echoing it on the filter admin page, allowing an unauthenticated attacker to trick a logged-in administrator into storing JavaScript that then executes in the admin area (stored Cross-Site Scripting via CSRF).

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.001 (1.4th percentile) — read the EPSS interpretation.

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 Tourmaster — versions 0

Weakness classification (CWE)

References

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

Frequently asked questions

What is CVE-2026-14239?: CVE-2026-14239 is a high-severity vulnerability in Tourmaster, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2026-07-30.
How severe is CVE-2026-14239?: High severity. CVSS v3 base score is 7.1 out of 10.